diff --git a/test/read_events.cc b/test/read_events.cc
index aaedfd83f..c7185e353 100644
--- a/test/read_events.cc
+++ b/test/read_events.cc
@@ -5,7 +5,7 @@
 #else
 #include "podio/ROOTFrameReader.h"
 namespace podio {
-  using ROOTReader = podio::ROOTFrameReader;
+using ROOTReader = podio::ROOTFrameReader;
 }
 #endif
 
diff --git a/test/write_events.cc b/test/write_events.cc
index 76b733b00..7d9091561 100644
--- a/test/write_events.cc
+++ b/test/write_events.cc
@@ -5,7 +5,7 @@
 #else
 #include "podio/ROOTFrameWriter.h"
 namespace podio {
-  using ROOTWriter = podio::ROOTFrameWriter;
+using ROOTWriter = podio::ROOTFrameWriter;
 }
 #endif