diff --git a/action/CMakeLists.txt b/action/CMakeLists.txt
index a62d4044..f9ac451d 100644
--- a/action/CMakeLists.txt
+++ b/action/CMakeLists.txt
@@ -1,7 +1,7 @@
 target_sources(${LIB_FSFW_NAME} 
-	PRIVATE 
-		ActionHelper.cpp
-		ActionMessage.cpp
-		CommandActionHelper.cpp
-		SimpleActionHelper.cpp
+    PRIVATE 
+        ActionHelper.cpp
+        ActionMessage.cpp
+        CommandActionHelper.cpp
+        SimpleActionHelper.cpp
 )
\ No newline at end of file