diff --git a/src/Vervis/Foundation.hs b/src/Vervis/Foundation.hs
index e9b0219..ddd3cbf 100644
--- a/src/Vervis/Foundation.hs
+++ b/src/Vervis/Foundation.hs
@@ -108,7 +108,7 @@ instance Yesod App where
     --   b) Validates that incoming write requests include that token in either a header or POST parameter.
     -- For details, see the CSRF documentation in the Yesod.Core.Handler module of the yesod-core package.
     yesodMiddleware =
-        -- defaultCsrfMiddleware .
+        defaultCsrfMiddleware .
         -- sslOnlyMiddleware 120 .
         defaultYesodMiddleware