diff --git a/src/map/script.c b/src/map/script.c
index 10e2431828..5fd9070d47 100644
--- a/src/map/script.c
+++ b/src/map/script.c
@@ -15716,7 +15716,7 @@ BUILDIN_FUNC(getmonsterinfo)
 			script_pushconststr(st,"null");
 		else
 			script_pushint(st,-1);
-		return -1;
+		return 0;
 	}
 	mob = mob_db(mob_id);
 	switch ( script_getnum(st,3) ) {