diff --git a/yesod-auth-oauth/Yesod/Auth/OAuth.hs b/yesod-auth-oauth/Yesod/Auth/OAuth.hs
index e78ae311..79ab12ac 100644
--- a/yesod-auth-oauth/Yesod/Auth/OAuth.hs
+++ b/yesod-auth-oauth/Yesod/Auth/OAuth.hs
@@ -103,7 +103,7 @@ authTwitter key secret = authOAuth
                           , oauthConsumerSecret  = secret
                           , oauthVersion         = OAuth10a
                           })
-                (mkExtractCreds "twitter" "user_id")
+                (mkExtractCreds "twitter" "screen_name")
 
 twitterUrl :: AuthRoute
 twitterUrl = oauthUrl "twitter"