diff --git a/src/map/script.c b/src/map/script.c
index 2d1cf68f08..79d3068eb9 100644
--- a/src/map/script.c
+++ b/src/map/script.c
@@ -234,7 +234,7 @@ static void report_src(struct script_state *st) {
 }
 
 static void check_event(struct script_state *st, unsigned char *event){
-	if(event != NULL && event[0] != '\0' && !strstr(event,"::")){
+	if(event != NULL && event[0] != '\0' && !stristr(event,"::On")){
 		ShowError("NPC event parameter deprecated! Please use 'NPCNAME::OnEVENT' instead of '%s'.\n",event);
 		report_src(st);
 	}