diff --git a/src/sbbs3/js_user.c b/src/sbbs3/js_user.c
index a5d56d40dfb4d85f15379362013d7cc6f4ab6c0c..26ae85ffd769f688360994b816bed1f20640b44a 100644
--- a/src/sbbs3/js_user.c
+++ b/src/sbbs3/js_user.c
@@ -801,7 +801,7 @@ js_user_constructor(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval
 	JS_ValueToInt32(cx,argv[0],&val);
 	user.number=(ushort)val;
 	if(user.number!=0 && getuserdat(scfg,&user)!=0) {
-		JS_ReportError(cx,"Invalid user number");
+		JS_ReportError(cx,"Invalid user number: %d",val);
 		return(JS_FALSE);
 	}