diff --git a/yesod-bin/Keter.hs b/yesod-bin/Keter.hs
index c64f9ac9..07810ea8 100644
--- a/yesod-bin/Keter.hs
+++ b/yesod-bin/Keter.hs
@@ -79,7 +79,7 @@ keter cabal noBuild noCopyTo buildArgs = do
 
     unless noBuild $ do
         stackQueryRunSuccess <- do
-            eres <- try $ readProcessWithExitCode "stack" ["query"] "" :: IO (Either SomeException (ExitCode, String, String))
+            eres <- try $ readProcessWithExitCode "stack" ["query"] "" :: IO (Either IOException (ExitCode, String, String))
             return $ either (\_ -> False) (\(ec, _, _) -> (ec == ExitSuccess)) eres
 
         let inStackExec = isJust $ lookup "STACK_EXE" env'
diff --git a/yesod-bin/yesod-bin.cabal b/yesod-bin/yesod-bin.cabal
index aafb5389..1f864a73 100644
--- a/yesod-bin/yesod-bin.cabal
+++ b/yesod-bin/yesod-bin.cabal
@@ -1,5 +1,5 @@
 name:            yesod-bin
-version:         1.4.19
+version:         1.4.18.1
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>