--- a/lib/openid-php/Auth/OpenID/Consumer.php
+++ b/lib/openid-php/Auth/OpenID/Consumer.php
@@ -1185,7 +1185,7 @@
         // oidutil.log('Performing discovery on %s' % (claimed_id,))
         list($unused, $services) = call_user_func($this->discoverMethod,
                                                   $claimed_id,
-                                                  &$this->fetcher);
+                                                  $this->fetcher);
 
         if (!$services) {
             return new Auth_OpenID_FailureResponse(null,