diff --git a/deployment/app.yaml b/deployment/app.yaml
index c82636a..35a1955 100644
--- a/deployment/app.yaml
+++ b/deployment/app.yaml
@@ -13,7 +13,7 @@ handlers:
   static_files: www/docs/index.html
   upload: www/docs/index.html
 
-- url: /docs/(.*)/$
+- url: /docs/(.*)[/]?$
   secure: always
   static_files: www/docs/\1/index.html
   upload: www/docs/(.*)