diff --git a/zdefs.acs b/zdefs.acs
index f88fc8c..c385958 100644
--- a/zdefs.acs
+++ b/zdefs.acs
@@ -848,6 +848,7 @@
 #define CHANGELEVEL_CHANGESKILL 8
 #define CHANGELEVEL_NOINTERMISSION 16
 #define CHANGELEVEL_RESETHEALTH	32
+#define CHANGELEVEL_PRERAISEWEAPON 64
 
 #define NO_CHANGE 32767.0