diff --git a/core/uwsgi.c b/core/uwsgi.c
index 2feee821..0ca75b9f 100644
--- a/core/uwsgi.c
+++ b/core/uwsgi.c
@@ -1381,8 +1381,8 @@ void what_i_am_doing() {
 
 int unconfigured_hook(struct wsgi_request *wsgi_req) {
 	if (wsgi_req->uh->modifier1 == 0 && !uwsgi.no_default_app) {
-		if (uwsgi_apps_cnt > 0 && wsgi_req->app_id > -1 && wsgi_req->app_id < uwsgi.max_apps) {
-			struct uwsgi_app *ua = &uwsgi_apps[wsgi_req->app_id];
+		if (uwsgi_apps_cnt > 0 && uwsgi.default_app > -1) {
+			struct uwsgi_app *ua = &uwsgi_apps[uwsgi.default_app];
 			if (uwsgi.p[ua->modifier1]->request != unconfigured_hook) {
 				wsgi_req->uh->modifier1 = ua->modifier1;
 				return uwsgi.p[ua->modifier1]->request(wsgi_req);