diff --git a/src/knx/group_object.cpp b/src/knx/group_object.cpp
index 3865d4a..cc5eaa3 100644
--- a/src/knx/group_object.cpp
+++ b/src/knx/group_object.cpp
@@ -333,8 +333,8 @@ bool GroupObject::valueCompare(const KNXValue& value, const Dpt& type)
 {
     if (valueNoSendCompare(value, type))
     {
-         objectWritten();
-         return true;
+        objectWritten();
+        return true;
     }
     return false;
 }
\ No newline at end of file