diff --git a/sc2/src/uqm/gendef.h b/sc2/src/uqm/gendef.h
index b5a292af7..41971f64d 100644
--- a/sc2/src/uqm/gendef.h
+++ b/sc2/src/uqm/gendef.h
@@ -58,7 +58,9 @@ enum
 	RAINBOW_DEFINED,
 	ILWRATH_DEFINED,
 	ANDROSYNTH_DEFINED,
-	MYCON_TRAP_DEFINED
+	MYCON_TRAP_DEFINED,
+
+	CUSTOM_DEFINED,
 };
 
 #define UMGAH_DEFINED TALKING_PET_DEFINED