diff --git a/managed_vms/endpoints/main.py b/managed_vms/endpoints/main.py
index 18589640991..ba7ab5a61fb 100644
--- a/managed_vms/endpoints/main.py
+++ b/managed_vms/endpoints/main.py
@@ -90,4 +90,4 @@ def unexpected_error(e):
 if __name__ == '__main__':
     # This is used when running locally. Gunicorn is used to run the
     # application on Google App Engine. See entrypoint in app.yaml.
-    app.run(host='127.0.0.1', port=8080, debug=True)
+    app.run(host='127.0.0.1', port=8081, debug=True)