diff --git a/authcache.admin.inc b/authcache.admin.inc
index 996e3b4..8d0d66d 100644
--- a/authcache.admin.inc
+++ b/authcache.admin.inc
@@ -273,7 +273,7 @@ function authcache_admin_pagecaching_submit($form, &$form_state) {
   }
 
   drupal_set_message(t('Your page caching settings have been saved.'));
-  cache_clear_all();
+  cache_clear_all('*', 'cache_page', TRUE);
   drupal_set_message(t('Cached pages cleared.'));
 }