diff --git a/include/caosdb/message_code.h b/include/caosdb/message_code.h
index 934dba0d0c3fe427bc9159548038c26f2dc9b2e6..ce539c188eabfa0d20762eac9fbe1083185286ea 100644
--- a/include/caosdb/message_code.h
+++ b/include/caosdb/message_code.h
@@ -38,8 +38,7 @@
 
 namespace caosdb::entity {
 
-#define _MAP_MESSAGE_CODE(name)\
-  name = caosdb::entity::v1::MessageCode::MESSAGE_CODE_## name
+#define _MAP_MESSAGE_CODE(name) name = caosdb::entity::v1::MessageCode::MESSAGE_CODE_##name
 
 enum MessageCode {
   _MAP_MESSAGE_CODE(UNSPECIFIED),