diff --git a/yesod-bin/hsfiles/mongo.hsfiles b/yesod-bin/hsfiles/mongo.hsfiles
index 455c4171..a802792a 100644
--- a/yesod-bin/hsfiles/mongo.hsfiles
+++ b/yesod-bin/hsfiles/mongo.hsfiles
@@ -358,6 +358,7 @@ import Database.Persist.Quasi
 import Database.Persist.MongoDB hiding (master)
 import Language.Haskell.TH.Syntax
 import Data.Typeable (Typeable)
+import Prelude
 
 -- You can define all of your database entities in the entities file.
 -- You can find more information on persistent and how to declare entities