diff --git a/lib/sched_msgs.h b/lib/sched_msgs.h
index 47453e3c67..b6843b2dab 100644
--- a/lib/sched_msgs.h
+++ b/lib/sched_msgs.h
@@ -43,7 +43,7 @@ public:
 #endif
 };
 
-#define _(x) "_(\""x"\")"
+#define _(x) "_(\"" x "\")"
 
 extern SCHED_MSG_LOG log_messages;
 #endif