diff --git a/yesod-auth/Yesod/Auth/Email.hs b/yesod-auth/Yesod/Auth/Email.hs
index 8e9b9b8e..243af776 100644
--- a/yesod-auth/Yesod/Auth/Email.hs
+++ b/yesod-auth/Yesod/Auth/Email.hs
@@ -12,6 +12,7 @@ module Yesod.Auth.Email
     , loginR
     , registerR
     , setpassR
+    , isValidPass
     ) where
 
 #include "qq.h"