diff --git a/uwsgi.c b/uwsgi.c
index 7b7b1539..3758abcc 100644
--- a/uwsgi.c
+++ b/uwsgi.c
@@ -1776,6 +1776,9 @@ int main(int argc, char *argv[], char *envp[]) {
 	}
 #endif
 
+	// re-initialize wsgi_req (can be full of init_uwsgi_app data)
+	memset(uwsgi.wsgi_requests, 0, sizeof(struct wsgi_request) * uwsgi.async);
+
 	while (uwsgi.workers[uwsgi.mywid].manage_next_request) {
 
 
@@ -2068,6 +2071,17 @@ int init_uwsgi_app(PyObject * force_wsgi_dict, PyObject * my_callable) {
 
 		if (uwsgi.wsgi_config == NULL) {
 			if (uwsgi.wsgi_req->wsgi_script_len > 0) {
+				uwsgi.wsgi_req->wsgi_callable = strchr(uwsgi.wsgi_req->wsgi_script, ':');
+				if (uwsgi.wsgi_req->wsgi_callable) {
+					uwsgi.wsgi_req->wsgi_callable[0] = 0;
+					uwsgi.wsgi_req->wsgi_callable++;
+					uwsgi.wsgi_req->wsgi_callable_len = uwsgi.wsgi_req->wsgi_script_len - strlen(uwsgi.wsgi_req->wsgi_script) - 1;
+					uwsgi.wsgi_req->wsgi_script_len = strlen(uwsgi.wsgi_req->wsgi_script);
+				}
+				else {
+					uwsgi.wsgi_req->wsgi_callable = "application";
+					uwsgi.wsgi_req->wsgi_callable_len = 11;
+				}
 				memcpy(tmpstring, uwsgi.wsgi_req->wsgi_script, uwsgi.wsgi_req->wsgi_script_len);
 				wsgi_module = PyImport_ImportModule(tmpstring);
 				if (!wsgi_module) {
@@ -2078,8 +2092,6 @@ int init_uwsgi_app(PyObject * force_wsgi_dict, PyObject * my_callable) {
 					}
 					return -1;
 				}
-				uwsgi.wsgi_req->wsgi_callable = "application";
-				uwsgi.wsgi_req->wsgi_callable_len = 11;
 			}
 			else {
 				memcpy(tmpstring, uwsgi.wsgi_req->wsgi_module, uwsgi.wsgi_req->wsgi_module_len);
diff --git a/wsgi_handlers.c b/wsgi_handlers.c
index 0805f530..28c8a53f 100644
--- a/wsgi_handlers.c
+++ b/wsgi_handlers.c
@@ -155,15 +155,11 @@ int uwsgi_request_wsgi(struct uwsgi_server *uwsgi, struct wsgi_request *wsgi_req
 		if (PyDict_Contains(uwsgi->py_apps, zero)) {
                		wsgi_req->app_id = PyInt_AsLong(PyDict_GetItem(uwsgi->py_apps, zero));
         	}
-        	else {
+        	else if (wsgi_req->script_name_len > 1 || uwsgi->default_app < 0) {
         		/* unavailable app for this SCRIPT_NAME */
                 	wsgi_req->app_id = -1;
 			if (wsgi_req->wsgi_script_len > 0 || (wsgi_req->wsgi_callable_len > 0 && wsgi_req->wsgi_module_len > 0)) {
-				if ((wsgi_req->app_id = init_uwsgi_app(NULL, NULL)) == -1) {
-					internal_server_error(wsgi_req->poll.fd, "wsgi application not found");
-                			Py_DECREF(zero);
-					goto clear2;
-				}
+				wsgi_req->app_id = init_uwsgi_app(NULL, NULL);
 			}
 		}