diff --git a/services.runtime.inc b/services.runtime.inc
index 57bb7b9..3ce0254 100644
--- a/services.runtime.inc
+++ b/services.runtime.inc
@@ -158,12 +158,12 @@ function services_controller_execute($controller, $args = array(), $options = ar
 
   // Execute the controller callback.
   $result = call_user_func_array($controller['callback'], $args);
-  
+
   drupal_alter('services_request_postprocess', $controller, $args, $result);
-  
+
   if (drupal_save_session($user) === FALSE) {
     $user = $original_user;
-    drupal_save_session($old_state);  
+    drupal_save_session($old_state);
   }
   if ($server_info->debug) {
     watchdog('services', 'results: <pre>@results</pre>', array('@results' => print_r($result, TRUE)), WATCHDOG_DEBUG);