diff --git a/appengine/flexible/hello_world/app.yaml b/appengine/flexible/hello_world/app.yaml
index ac38af83425..8caeae9a86d 100644
--- a/appengine/flexible/hello_world/app.yaml
+++ b/appengine/flexible/hello_world/app.yaml
@@ -15,6 +15,7 @@
 runtime: python
 env: flex
 entrypoint: gunicorn -b :$PORT main:app
+entrypoint: gunicorn -b :$PORT main:app
 
 runtime_config:
   operating_system: ubuntu22