diff --git a/.clang-format b/.clang-format
index 15d70a4c..f4e10c28 100644
--- a/.clang-format
+++ b/.clang-format
@@ -39,7 +39,7 @@ BraceWrapping:
   SplitEmptyNamespace: false
 BreakBeforeBinaryOperators: None
 BreakBeforeTernaryOperators: true
-BreakConstructorInitializers: BeforeColon
+BreakConstructorInitializers: AfterColon
 BreakInheritanceList: BeforeColon
 ColumnLimit: 0
 CompactNamespaces: false
diff --git a/src/filesink.cpp b/src/filesink.cpp
index ebbe45d0..057262f0 100644
--- a/src/filesink.cpp
+++ b/src/filesink.cpp
@@ -14,8 +14,8 @@
 namespace g3 {
    using namespace internal;
 
-   FileSink::FileSink(const std::string& log_prefix, const std::string& log_directory, const std::string& logger_id, size_t write_to_log_every_x_message)
-       : _log_details_func(&LogMessage::DefaultLogDetailsToString), _log_file_with_path(log_directory), _log_prefix_backup(log_prefix), _outptr(new std::ofstream), _header("\t\tLOG format: [YYYY/MM/DD hh:mm:ss uuu* LEVEL FILE->FUNCTION:LINE] message\n\n\t\t(uuu*: microseconds fractions of the seconds value)\n\n"), _firstEntry(true), _write_counter(0), _write_to_log_every_x_message(write_to_log_every_x_message) {
+   FileSink::FileSink(const std::string& log_prefix, const std::string& log_directory, const std::string& logger_id, size_t write_to_log_every_x_message) :
+       _log_details_func(&LogMessage::DefaultLogDetailsToString), _log_file_with_path(log_directory), _log_prefix_backup(log_prefix), _outptr(new std::ofstream), _header("\t\tLOG format: [YYYY/MM/DD hh:mm:ss uuu* LEVEL FILE->FUNCTION:LINE] message\n\n\t\t(uuu*: microseconds fractions of the seconds value)\n\n"), _firstEntry(true), _write_counter(0), _write_to_log_every_x_message(write_to_log_every_x_message) {
       _log_prefix_backup = prefixSanityFix(log_prefix);
       if (!isValidFilename(_log_prefix_backup)) {
          std::cerr << "g3log: forced abort due to illegal log prefix [" << log_prefix << "]" << std::endl;
diff --git a/src/g3log/active.hpp b/src/g3log/active.hpp
index 23d53079..3711f9d5 100644
--- a/src/g3log/active.hpp
+++ b/src/g3log/active.hpp
@@ -29,8 +29,8 @@ namespace kjellkod {
 
    class Active {
      private:
-      Active()
-          : done_(false) {}  // Construction ONLY through factory createActive();
+      Active() :
+          done_(false) {}  // Construction ONLY through factory createActive();
       Active(const Active&) = delete;
       Active& operator=(const Active&) = delete;
 
diff --git a/src/g3log/atomicbool.hpp b/src/g3log/atomicbool.hpp
index db1d3de9..d6e51fb7 100644
--- a/src/g3log/atomicbool.hpp
+++ b/src/g3log/atomicbool.hpp
@@ -17,14 +17,14 @@ namespace g3 {
       std::atomic<bool> value_;
 
      public:
-      atomicbool()
-          : value_{false} {}
-      atomicbool(bool value)
-          : value_{value} {}
-      atomicbool(const std::atomic<bool>& value)
-          : value_{value.load(std::memory_order_acquire)} {}
-      atomicbool(const atomicbool& other)
-          : value_{other.value_.load(std::memory_order_acquire)} {}
+      atomicbool() :
+          value_{false} {}
+      atomicbool(bool value) :
+          value_{value} {}
+      atomicbool(const std::atomic<bool>& value) :
+          value_{value.load(std::memory_order_acquire)} {}
+      atomicbool(const atomicbool& other) :
+          value_{other.value_.load(std::memory_order_acquire)} {}
 
       atomicbool& operator=(const atomicbool& other) {
          value_.store(other.value_.load(std::memory_order_acquire), std::memory_order_release);
diff --git a/src/g3log/loglevels.hpp b/src/g3log/loglevels.hpp
index 1efc63b8..419f6ec6 100644
--- a/src/g3log/loglevels.hpp
+++ b/src/g3log/loglevels.hpp
@@ -33,11 +33,11 @@ struct LEVELS {
    // force internal copy of the const char*. This is a simple safeguard for when g3log is used in a
    // "dynamic, runtime loading of shared libraries"
 
-   LEVELS(const LEVELS& other)
-       : value(other.value), text(other.text.c_str()) {}
+   LEVELS(const LEVELS& other) :
+       value(other.value), text(other.text.c_str()) {}
 
-   LEVELS(int id, const std::string& idtext)
-       : value(id), text(idtext) {}
+   LEVELS(int id, const std::string& idtext) :
+       value(id), text(idtext) {}
 
    bool operator==(const LEVELS& rhs) const {
       return (value == rhs.value && text == rhs.text);
@@ -103,14 +103,14 @@ namespace g3 {
       LEVELS level;
 
       // default operator needed for std::map compliance
-      LoggingLevel()
-          : status(false), level(INFO){};
-      LoggingLevel(const LoggingLevel& lvl)
-          : status(lvl.status), level(lvl.level) {}
-      LoggingLevel(const LEVELS& lvl)
-          : status(true), level(lvl){};
-      LoggingLevel(const LEVELS& lvl, bool enabled)
-          : status(enabled), level(lvl){};
+      LoggingLevel() :
+          status(false), level(INFO){};
+      LoggingLevel(const LoggingLevel& lvl) :
+          status(lvl.status), level(lvl.level) {}
+      LoggingLevel(const LEVELS& lvl) :
+          status(true), level(lvl){};
+      LoggingLevel(const LEVELS& lvl, bool enabled) :
+          status(enabled), level(lvl){};
       ~LoggingLevel() = default;
 
       LoggingLevel& operator=(const LoggingLevel& other) {
diff --git a/src/g3log/moveoncopy.hpp b/src/g3log/moveoncopy.hpp
index 74e9e43d..32a44b3c 100644
--- a/src/g3log/moveoncopy.hpp
+++ b/src/g3log/moveoncopy.hpp
@@ -18,12 +18,12 @@ namespace g3 {
    struct MoveOnCopy {
       mutable Moveable _move_only;
 
-      explicit MoveOnCopy(Moveable&& m)
-          : _move_only(std::move(m)) {}
-      MoveOnCopy(MoveOnCopy const& t)
-          : _move_only(std::move(t._move_only)) {}
-      MoveOnCopy(MoveOnCopy&& t)
-          : _move_only(std::move(t._move_only)) {}
+      explicit MoveOnCopy(Moveable&& m) :
+          _move_only(std::move(m)) {}
+      MoveOnCopy(MoveOnCopy const& t) :
+          _move_only(std::move(t._move_only)) {}
+      MoveOnCopy(MoveOnCopy&& t) :
+          _move_only(std::move(t._move_only)) {}
 
       MoveOnCopy& operator=(MoveOnCopy const& other) {
          _move_only = std::move(other._move_only);
diff --git a/src/g3log/sink.hpp b/src/g3log/sink.hpp
index 7596f1bf..61f8850d 100644
--- a/src/g3log/sink.hpp
+++ b/src/g3log/sink.hpp
@@ -40,17 +40,17 @@ namespace g3 {
          AsyncMessageCall _default_log_call;
 
          template <typename DefaultLogCall>
-         Sink(std::unique_ptr<T> sink, DefaultLogCall call)
-             : SinkWrapper(),
-               _real_sink{std::move(sink)},
-               _bg(kjellkod::Active::createActive()),
-               _default_log_call(std::bind(call, _real_sink.get(), std::placeholders::_1)) {
+         Sink(std::unique_ptr<T> sink, DefaultLogCall call) :
+             SinkWrapper(),
+             _real_sink{std::move(sink)},
+             _bg(kjellkod::Active::createActive()),
+             _default_log_call(std::bind(call, _real_sink.get(), std::placeholders::_1)) {
          }
 
-         Sink(std::unique_ptr<T> sink, void (T::*Call)(std::string))
-             : SinkWrapper(),
-               _real_sink{std::move(sink)},
-               _bg(kjellkod::Active::createActive()) {
+         Sink(std::unique_ptr<T> sink, void (T::*Call)(std::string)) :
+             SinkWrapper(),
+             _real_sink{std::move(sink)},
+             _bg(kjellkod::Active::createActive()) {
             std::function<void(std::string)> adapter = std::bind(Call, _real_sink.get(), std::placeholders::_1);
             _default_log_call = [=](LogMessageMover m) {
                adapter(m.get().toString());
diff --git a/src/g3log/sinkhandle.hpp b/src/g3log/sinkhandle.hpp
index 4fc18904..34848d21 100644
--- a/src/g3log/sinkhandle.hpp
+++ b/src/g3log/sinkhandle.hpp
@@ -27,8 +27,8 @@ namespace g3 {
       std::weak_ptr<internal::Sink<T>> _sink;
 
      public:
-      SinkHandle(std::shared_ptr<internal::Sink<T>> sink)
-          : _sink(sink) {}
+      SinkHandle(std::shared_ptr<internal::Sink<T>> sink) :
+          _sink(sink) {}
 
       ~SinkHandle() = default;
 
diff --git a/src/g3log/stlpatch_future.hpp b/src/g3log/stlpatch_future.hpp
index 464798ae..b7f30160 100644
--- a/src/g3log/stlpatch_future.hpp
+++ b/src/g3log/stlpatch_future.hpp
@@ -25,13 +25,13 @@ namespace std {
       }
 
       template <class _Fty2>
-      explicit packaged_task(_Fty2&& _Fnarg)
-          : _my_func(_Fnarg) {
+      explicit packaged_task(_Fty2&& _Fnarg) :
+          _my_func(_Fnarg) {
       }
 
-      packaged_task(packaged_task&& _Other)
-          : _my_promise(move(_Other._my_promise)),
-            _my_func(move(_Other._my_func)) {
+      packaged_task(packaged_task&& _Other) :
+          _my_promise(move(_Other._my_promise)),
+          _my_func(move(_Other._my_func)) {
       }
 
       packaged_task& operator=(packaged_task&& _Other) {
diff --git a/src/logcapture.cpp b/src/logcapture.cpp
index d3ec6501..d3859d30 100644
--- a/src/logcapture.cpp
+++ b/src/logcapture.cpp
@@ -47,8 +47,8 @@ LogCapture::~LogCapture() noexcept(false) {
 }
 
 /// Called from crash handler when a fatal signal has occurred (SIGSEGV etc)
-LogCapture::LogCapture(const LEVELS& level, g3::SignalType fatal_signal, const char* dump)
-    : LogCapture("", 0, "", level, "", fatal_signal, dump) {
+LogCapture::LogCapture(const LEVELS& level, g3::SignalType fatal_signal, const char* dump) :
+    LogCapture("", 0, "", level, "", fatal_signal, dump) {
 }
 
 /**
@@ -58,8 +58,8 @@ LogCapture::LogCapture(const LEVELS& level, g3::SignalType fatal_signal, const c
  * @fatal_signal for failed CHECK:SIGABRT or fatal signal caught in the signal handler
  */
 LogCapture::LogCapture(const char* file, const int line, const char* function, const LEVELS& level,
-                       const char* expression, g3::SignalType fatal_signal, const char* dump)
-    : _file(file), _line(line), _function(function), _level(level), _expression(expression), _fatal_signal(fatal_signal) {
+                       const char* expression, g3::SignalType fatal_signal, const char* dump) :
+    _file(file), _line(line), _function(function), _level(level), _expression(expression), _fatal_signal(fatal_signal) {
 
    if (g3::internal::wasFatal(level)) {
       _stack_trace = std::string{"\n*******\tSTACKDUMP *******\n"};
diff --git a/src/logmessage.cpp b/src/logmessage.cpp
index a902360c..0b7f6dc1 100644
--- a/src/logmessage.cpp
+++ b/src/logmessage.cpp
@@ -119,33 +119,33 @@ namespace g3 {
    }
 
    LogMessage::LogMessage(std::string file, const int line,
-                          std::string function, const LEVELS level)
-       : _logDetailsToStringFunc(LogMessage::DefaultLogDetailsToString), _timestamp(std::chrono::high_resolution_clock::now()), _call_thread_id(std::this_thread::get_id())
+                          std::string function, const LEVELS level) :
+       _logDetailsToStringFunc(LogMessage::DefaultLogDetailsToString), _timestamp(std::chrono::high_resolution_clock::now()), _call_thread_id(std::this_thread::get_id())
 #if defined(G3_LOG_FULL_FILENAME)
-         ,
-         _file(file)
+       ,
+       _file(file)
 #else
-         ,
-         _file(LogMessage::splitFileName(file))
+       ,
+       _file(LogMessage::splitFileName(file))
 #endif
-         ,
-         _file_path(file),
-         _line(line),
-         _function(std::move(function)),
-         _level(level) {
+       ,
+       _file_path(file),
+       _line(line),
+       _function(std::move(function)),
+       _level(level) {
    }
 
-   LogMessage::LogMessage(const std::string& fatalOsSignalCrashMessage)
-       : LogMessage({""}, 0, {""}, internal::FATAL_SIGNAL) {
+   LogMessage::LogMessage(const std::string& fatalOsSignalCrashMessage) :
+       LogMessage({""}, 0, {""}, internal::FATAL_SIGNAL) {
       _message.append(fatalOsSignalCrashMessage);
    }
 
-   LogMessage::LogMessage(const LogMessage& other)
-       : _logDetailsToStringFunc(other._logDetailsToStringFunc), _timestamp(other._timestamp), _call_thread_id(other._call_thread_id), _file(other._file), _file_path(other._file_path), _line(other._line), _function(other._function), _level(other._level), _expression(other._expression), _message(other._message) {
+   LogMessage::LogMessage(const LogMessage& other) :
+       _logDetailsToStringFunc(other._logDetailsToStringFunc), _timestamp(other._timestamp), _call_thread_id(other._call_thread_id), _file(other._file), _file_path(other._file_path), _line(other._line), _function(other._function), _level(other._level), _expression(other._expression), _message(other._message) {
    }
 
-   LogMessage::LogMessage(LogMessage&& other)
-       : _logDetailsToStringFunc(other._logDetailsToStringFunc), _timestamp(other._timestamp), _call_thread_id(other._call_thread_id), _file(std::move(other._file)), _file_path(std::move(other._file_path)), _line(other._line), _function(std::move(other._function)), _level(other._level), _expression(std::move(other._expression)), _message(std::move(other._message)) {
+   LogMessage::LogMessage(LogMessage&& other) :
+       _logDetailsToStringFunc(other._logDetailsToStringFunc), _timestamp(other._timestamp), _call_thread_id(other._call_thread_id), _file(std::move(other._file)), _file_path(std::move(other._file_path)), _line(other._line), _function(std::move(other._function)), _level(other._level), _expression(std::move(other._expression)), _message(std::move(other._message)) {
    }
 
    std::string LogMessage::threadID() const {
@@ -154,11 +154,11 @@ namespace g3 {
       return oss.str();
    }
 
-   FatalMessage::FatalMessage(const LogMessage& details, g3::SignalType signal_id)
-       : LogMessage(details), _signal_id(signal_id) {}
+   FatalMessage::FatalMessage(const LogMessage& details, g3::SignalType signal_id) :
+       LogMessage(details), _signal_id(signal_id) {}
 
-   FatalMessage::FatalMessage(const FatalMessage& other)
-       : LogMessage(other), _signal_id(other._signal_id) {}
+   FatalMessage::FatalMessage(const FatalMessage& other) :
+       LogMessage(other), _signal_id(other._signal_id) {}
 
    LogMessage FatalMessage::copyToLogMessage() const {
       return LogMessage(*this);
diff --git a/src/logworker.cpp b/src/logworker.cpp
index 7abb17c5..4bda2453 100644
--- a/src/logworker.cpp
+++ b/src/logworker.cpp
@@ -17,8 +17,8 @@
 
 namespace g3 {
 
-   LogWorkerImpl::LogWorkerImpl()
-       : _bg(kjellkod::Active::createActive()) {}
+   LogWorkerImpl::LogWorkerImpl() :
+       _bg(kjellkod::Active::createActive()) {}
 
    void LogWorkerImpl::bgSave(g3::LogMessagePtr msgPtr) {
       std::unique_ptr<LogMessage> uniqueMsg(std::move(msgPtr.get()));
diff --git a/test_unit/test_concept_sink.cpp b/test_unit/test_concept_sink.cpp
index 6be4b918..9977ec39 100644
--- a/test_unit/test_concept_sink.cpp
+++ b/test_unit/test_concept_sink.cpp
@@ -29,8 +29,8 @@ class CoutSink {
    stringstream buffer;
    unique_ptr<ScopedOut> scope_ptr;
 
-   CoutSink()
-       : scope_ptr(std::make_unique<ScopedOut>(std::cout, &buffer)) {}
+   CoutSink() :
+       scope_ptr(std::make_unique<ScopedOut>(std::cout, &buffer)) {}
 
   public:
    void clear() { buffer.str(""); }
@@ -67,9 +67,9 @@ namespace g3 {
       }
 
      public:
-      Worker()
-          : _bg{
-               kjellkod::Active::createActive()} {
+      Worker() :
+          _bg{
+             kjellkod::Active::createActive()} {
       }
 
       ~Worker() {
diff --git a/test_unit/test_cpp_future_concepts.cpp b/test_unit/test_cpp_future_concepts.cpp
index d22d3d19..68f7d907 100644
--- a/test_unit/test_cpp_future_concepts.cpp
+++ b/test_unit/test_cpp_future_concepts.cpp
@@ -34,8 +34,8 @@ TEST(Configuration, FutureSilly) {
 
 struct MsgType {
    std::string msg_;
-   MsgType(std::string m)
-       : msg_(m){};
+   MsgType(std::string m) :
+       msg_(m){};
    std::string msg() { return msg_; }
 };
 
diff --git a/test_unit/test_io.cpp b/test_unit/test_io.cpp
index 782d64f8..2224d034 100644
--- a/test_unit/test_io.cpp
+++ b/test_unit/test_io.cpp
@@ -593,8 +593,8 @@ TEST(CHECK, CHECK_runtimeError) {
       const int size_;
 
      public:
-      explicit dynamic_int_array(int size)
-          : data_{std::make_unique<int[]>(size)}, size_(size) {}
+      explicit dynamic_int_array(int size) :
+          data_{std::make_unique<int[]>(size)}, size_(size) {}
 
       int& at(int i) {
          CHECK(i < size_);
diff --git a/test_unit/test_linux_dynamic_loaded_sharedlib.cpp b/test_unit/test_linux_dynamic_loaded_sharedlib.cpp
index bc434d0e..0ec6c453 100644
--- a/test_unit/test_linux_dynamic_loaded_sharedlib.cpp
+++ b/test_unit/test_linux_dynamic_loaded_sharedlib.cpp
@@ -20,8 +20,8 @@
 
 struct LogMessageCounter {
    std::vector<std::string>& bank;
-   LogMessageCounter(std::vector<std::string>& storeMessages)
-       : bank(storeMessages) {
+   LogMessageCounter(std::vector<std::string>& storeMessages) :
+       bank(storeMessages) {
    }
 
    void countMessages(std::string msg) {
diff --git a/test_unit/test_sink.cpp b/test_unit/test_sink.cpp
index 1bab30f1..e200161b 100644
--- a/test_unit/test_sink.cpp
+++ b/test_unit/test_sink.cpp
@@ -227,8 +227,8 @@ TEST(ConceptSink, OneHundredRemoveAllSinks) {
 
 struct VoidReceiver {
    std::atomic<int>* _atomicCounter;
-   explicit VoidReceiver(std::atomic<int>* counter)
-       : _atomicCounter(counter) {}
+   explicit VoidReceiver(std::atomic<int>* counter) :
+       _atomicCounter(counter) {}
 
    void receiveMsg(std::string msg) { /*ignored*/
    }
@@ -271,8 +271,8 @@ TEST(ConceptSink, VoidCall__TwoCalls_ExpectingTwoAdd) {
 
 struct IntReceiver {
    std::atomic<int>* _atomicCounter;
-   explicit IntReceiver(std::atomic<int>* counter)
-       : _atomicCounter(counter) {}
+   explicit IntReceiver(std::atomic<int>* counter) :
+       _atomicCounter(counter) {}
 
    void receiveMsgDoNothing(std::string msg) { /*ignored*/
    }
diff --git a/test_unit/testing_helpers.cpp b/test_unit/testing_helpers.cpp
index d1021f43..ce5f7d07 100644
--- a/test_unit/testing_helpers.cpp
+++ b/test_unit/testing_helpers.cpp
@@ -98,16 +98,16 @@ namespace testing_helpers {
       }
    }
 
-   ScopedLogger::ScopedLogger()
-       : _currentWorker(g3::LogWorker::createLogWorker()) {}
+   ScopedLogger::ScopedLogger() :
+       _currentWorker(g3::LogWorker::createLogWorker()) {}
    ScopedLogger::~ScopedLogger() {}
 
    g3::LogWorker* ScopedLogger::get() {
       return _currentWorker.get();
    }
 
-   RestoreFileLogger::RestoreFileLogger(std::string directory)
-       : _scope(new ScopedLogger), _handle(_scope->get()->addSink(std::make_unique<g3::FileSink>("UNIT_TEST_LOGGER", directory, "g3log", kFlushToDiskWithThisInterval), &g3::FileSink::fileWrite)) {
+   RestoreFileLogger::RestoreFileLogger(std::string directory) :
+       _scope(new ScopedLogger), _handle(_scope->get()->addSink(std::make_unique<g3::FileSink>("UNIT_TEST_LOGGER", directory, "g3log", kFlushToDiskWithThisInterval), &g3::FileSink::fileWrite)) {
       using namespace g3;
       g3::initializeLogging(_scope->_currentWorker.get());
       clearMockFatal();