diff --git a/app.yaml b/app.yaml
index 0442c55..619901d 100644
--- a/app.yaml
+++ b/app.yaml
@@ -15,5 +15,5 @@ handlers:
   secure: optional
 
 - url: /.*
-  script: mirror.py
+  script: mirror.app
   secure: optional
\ No newline at end of file