diff --git a/poc/bin/kapow b/poc/bin/kapow
index cccb574..5c371fb 100755
--- a/poc/bin/kapow
+++ b/poc/bin/kapow
@@ -278,7 +278,7 @@ def handle_route(entrypoint, command):
 
 
 def error_body(reason):
-    return {"reason": reason}
+    return {"reason": reason, "foo": "bar"}
 
 def get_routes(app):
     async def _get_routes(request):