diff --git a/oauth_common.pages.inc b/oauth_common.pages.inc
index 49695e9..8825d52 100644
--- a/oauth_common.pages.inc
+++ b/oauth_common.pages.inc
@@ -232,9 +232,7 @@ function oauth_common_form_authorize() {
     // login page in case the site has a mobile-enhanced login page.
     $path = variable_get('oauth_common_login_path', OAUTH_COMMON_LOGIN_PATH);
     drupal_goto($path, array('query' => array(
-      'destination' => url('oauth/authorize', array(
-        'query' => $query,
-      )),
+      'destination' => 'oauth/authorize?' . drupal_http_build_query($query),
     )));
   }
 }