diff --git a/Web/Authenticate/OpenId.hs b/Web/Authenticate/OpenId.hs
--- a/Web/Authenticate/OpenId.hs
+++ b/Web/Authenticate/OpenId.hs
@@ -49,7 +49,7 @@
     -> m Text -- ^ URL to send the user to.
 getForwardUrl openid' complete mrealm params manager = do
     let realm = fromMaybe complete mrealm
-    claimed <- normalize openid'
+    claimed <- normalize $ T.strip openid'
     disc <- discover claimed manager
     let helper s q = return $ T.concat
             [ s
diff --git a/authenticate.cabal b/authenticate.cabal
--- a/authenticate.cabal
+++ b/authenticate.cabal
@@ -1,5 +1,5 @@
 name:            authenticate
-version:         1.3.2.8
+version:         1.3.2.9
 license:         BSD3
 license-file:    LICENSE
 author:          Michael Snoyman, Hiromi Ishii, Arash Rouhani