diff --git a/lib/index.js b/lib/index.js
index 46c1b43..fa363c3 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -45,7 +45,7 @@ function authorize(options) {
 
     auth.store.get(data.sessionID, function(err, session){
       if(err)
-        return auth.fail(data, 'Error in session store.', true, accept);
+        return auth.fail(data, 'Error in session store:\n' + err.message, true, accept);
       if(!session)
         return auth.fail(data, 'No session found', false, accept);
       if(!session[auth.passport._key])