diff --git a/apc.drush.inc b/apc.drush.inc
index 67a0bfc..17ed16d 100644
--- a/apc.drush.inc
+++ b/apc.drush.inc
@@ -5,8 +5,7 @@
  * Implements hook_drush_exit().
  */
 function apc_drush_exit() {
-  require_once DRUPAL_ROOT . '/includes/cache.inc';
-  require_once dirname(__FILE__) . '/drupal_apc_cache.inc';
-
-  DrupalAPCCache::remoteFlush();
+  if (class_exists('DrupalAPCCache')){
+    DrupalAPCCache::remoteFlush();
+  }
 }