diff --git a/kotlinlog/build.gradle b/kotlinlog/build.gradle
index d21f219..c2054de 100644
--- a/kotlinlog/build.gradle
+++ b/kotlinlog/build.gradle
@@ -12,7 +12,7 @@ android {
         minSdk 21
         targetSdk 34
         versionCode 8
-        versionName "2.2.14"
+        versionName "2.2.16"
         buildConfigField 'int', 'VERSION_CODE', "$versionCode"
         buildConfigField 'String', 'VERSION_NAME', "\"$versionName\""
         consumerProguardFile('proguard-rules.pro')
diff --git a/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/LogInternal.kt b/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/LogInternal.kt
index 0009b79..3261e74 100644
--- a/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/LogInternal.kt
+++ b/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/LogInternal.kt
@@ -66,7 +66,6 @@ private fun emptyCheck(): Boolean {
 /**
  * @return Returns method name by reflexion
  */
-@Suppress("UNREACHABLE_CODE")
 private fun getMethodStackTraceElement(): StackTraceElement {
     val ste = Thread.currentThread().stackTrace
     var found = false
diff --git a/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/FileLogger.kt b/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/FileLogger.kt
index 87f9468..fb2b6b5 100644
--- a/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/FileLogger.kt
+++ b/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/FileLogger.kt
@@ -1,6 +1,7 @@
 package quanti.com.kotlinlog.file
 
 import android.content.Context
+import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
@@ -71,10 +72,11 @@ class FileLogger(
 
     override fun logSync(androidLogLevel: Int, tag: String, methodName: String, text: String) {
         val formattedString = getFormatedString(appName, androidLogLevel, tag, methodName, text)
-        logFile.write(formattedString)
+        blockingQueue.add(formattedString)
+        forceWrite()
     }
 
-
+    @OptIn(DelicateCoroutinesApi::class)
     override fun logThrowable(androidLogLevel: Int, tag: String, methodName: String, text: String, t: Throwable) {
 
         val formattedString = getFormatedString(appName, androidLogLevel, tag, methodName, text)
@@ -98,8 +100,9 @@ class FileLogger(
             }
         }
 
-        //we want errors to be sync
-        logFile.write(finalText)
+        blockingQueue.add(finalText)
+        // write errors and queued logs immediately
+        forceWrite()
     }
 
     override fun cleanResources() {
@@ -137,22 +140,20 @@ class FileLogger(
          * Deletes all stored logs in app local memory
          */
         fun deleteLogsForIdentifier(appCtx: Context, logIdentifier: String) {
-            appCtx
-                    .logFilesDir
-                    .listFiles()
-                    .filter { it.name.contains(logIdentifier) }
-                    .filter { it.name.endsWith(".log") }
-                    .forEach { it.delete() }
+            appCtx.logFilesDir
+                .listFiles()
+                ?.filter { it.name.contains(logIdentifier) }
+                ?.filter { it.name.endsWith(".log") }
+                ?.forEach { it.delete() }
         }
         /**
          * Deletes all stored logs in app local memory
          */
         fun deleteAllLogs(appCtx: Context) {
-            appCtx
-                    .logFilesDir
-                    .listFiles()
-                    .filter { it.name.endsWith(".log") }
-                    .forEach { it.delete() }
+            appCtx.logFilesDir
+                .listFiles()
+                ?.filter { it.name.endsWith(".log") }
+                ?.forEach { it.delete() }
         }
     }
 
diff --git a/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/file/AbstractLogFile.kt b/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/file/AbstractLogFile.kt
index bc0051a..3c59429 100644
--- a/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/file/AbstractLogFile.kt
+++ b/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/file/AbstractLogFile.kt
@@ -57,7 +57,7 @@ abstract class AbstractLogFile(
                 createNewFile()
             }
             while (queue.isNotEmpty()) {
-                fos.write(queue.poll().toByteArray())
+                fos.write(queue.poll()?.toByteArray())
             }
         }
     }
@@ -94,7 +94,7 @@ abstract class AbstractLogFile(
     /**
      * Returns all files that corresponds to this logger
      */
-    protected fun listOfLoggerFiles() = ctx.logFilesDir.listFiles().filter { it.name.contains(logIdentifier) }
+    protected fun listOfLoggerFiles() = ctx.logFilesDir.listFiles()?.filter { it.name.contains(logIdentifier) }
 
 
     /**
diff --git a/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/file/CircleLogFile.kt b/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/file/CircleLogFile.kt
index 53bee6a..450d694 100644
--- a/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/file/CircleLogFile.kt
+++ b/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/file/CircleLogFile.kt
@@ -48,13 +48,13 @@ class CircleLogFile(
         }
 
         //remove all zips
-        listOfLoggerFiles().deleteAllZips()
+        listOfLoggerFiles()?.deleteAllZips()
 
         //remove all files that exceeds specified limit
         listOfLoggerFiles()
-                .sortByAge()
-                .drop(bundle.numOfFiles)
-                .deleteAll()
+                ?.sortByAge()
+                ?.drop(bundle.numOfFiles)
+                ?.deleteAll()
     }
 
 }
\ No newline at end of file
diff --git a/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/file/DayLogFile.kt b/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/file/DayLogFile.kt
index b7cfe9f..f7c4677 100644
--- a/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/file/DayLogFile.kt
+++ b/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/file/DayLogFile.kt
@@ -30,16 +30,16 @@ class DayLogFile(
         //switch to new file if needed
         loga("fileAge: " + file.fileAge())
         loga("fileName: " + file.name)
-        if (file.fileAge() > 0 || !file.name!!.contains(getFormattedFileNameForDayTemp())) {
+        if (file.fileAge() > 0 || !file.name.contains(getFormattedFileNameForDayTemp())) {
             createNewFile()
         }
 
         //remove all zips
-        listOfLoggerFiles().deleteAllZips()
+        listOfLoggerFiles()?.deleteAllZips()
 
         //remove all files older than x days
         loga("max days saved: $maxDays")
-        listOfLoggerFiles().deleteAllOldFiles(maxDays)
+        listOfLoggerFiles()?.deleteAllOldFiles(maxDays)
     }
 
 
diff --git a/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/file/StrictCircleLogFile.kt b/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/file/StrictCircleLogFile.kt
index ee6603f..d7b780d 100644
--- a/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/file/StrictCircleLogFile.kt
+++ b/kotlinlog/src/main/kotlin/quanti/com/kotlinlog/file/file/StrictCircleLogFile.kt
@@ -44,7 +44,7 @@ class StrictCircleLogFile(
     override fun writeBatch(queue: LinkedBlockingQueue<String>) {
         lock.withLock {
             while (queue.isNotEmpty()) {
-                writeWithCheck(queue.poll())
+                queue.poll()?.let { writeWithCheck(it) }
             }
         }
     }
@@ -64,13 +64,13 @@ class StrictCircleLogFile(
     override fun cleanFolder() {
 
         //remove all zips
-        listOfLoggerFiles().deleteAllZips()
+        listOfLoggerFiles()?.deleteAllZips()
 
         //remove all files that exceeds specified limit
         listOfLoggerFiles()
-                .sortByAge()
-                .drop(bundle.numOfFiles)
-                .deleteAll()
+                ?.sortByAge()
+                ?.drop(bundle.numOfFiles)
+                ?.deleteAll()
     }
 
 }
\ No newline at end of file