diff --git a/examples/app.example.yaml b/examples/app.example.yaml
index 5b3dac7fd..b0fe28797 100644
--- a/examples/app.example.yaml
+++ b/examples/app.example.yaml
@@ -21,8 +21,8 @@ handlers:
 # the parametric router's language logic. 
 # You cannot use them together.
 
-- url: /(.+?)/static/_[\d]+.[\d]+.[\d]+\/(.+)
-  static_files: applications/\1/static/\2
+- url: /(.+?)/static/_(\d+\.\d+\.\d+)\/(.+)
+  static_files: applications/\1/static/\3
   upload: applications/(.+?)/static/(.+)
   secure: optional
   expiration: "365d"