diff --git a/core/mule.c b/core/mule.c
index f4d4f48b..12a6fda7 100644
--- a/core/mule.c
+++ b/core/mule.c
@@ -82,7 +82,7 @@ void uwsgi_mule(int id) {
 				if (uwsgi.p[i]->mule) {
 					if (uwsgi.p[i]->mule(uwsgi.mules[id - 1].patch) == 1) {
 						// never here
-						break;
+						end_me(1);
 					}
 				}
 			}
diff --git a/plugins/python/python_plugin.c b/plugins/python/python_plugin.c
index 9f37bd0f..68df9d9b 100644
--- a/plugins/python/python_plugin.c
+++ b/plugins/python/python_plugin.c
@@ -1773,9 +1773,7 @@ int uwsgi_python_mule(char *opt) {
 
 	if (uwsgi_endswith(opt, ".py")) {
 		UWSGI_GET_GIL;
-		if (uwsgi_pyimport_by_filename("__main__", opt) == NULL) {
-			return 0;
-		}
+		uwsgi_pyimport_by_filename("__main__", opt);
 		UWSGI_RELEASE_GIL;
 		return 1;
 	}