diff --git a/src/kits/app/Message.cpp b/src/kits/app/Message.cpp
index 3c0dbe6483..485132527c 100644
--- a/src/kits/app/Message.cpp
+++ b/src/kits/app/Message.cpp
@@ -187,8 +187,8 @@ BMessage::operator=(const BMessage &other)
 {
 	DEBUG_FUNCTION_ENTER;
 
-    if (this == &other)
-        return *this;
+	if (this == &other)
+		return *this;
 
 	_Clear();