diff --git a/sites/all/modules/contrib/memcache/memcache-session.inc b/sites/all/modules/contrib/memcache/memcache-session.inc
index f1ad41b..8e400e6 100644
--- a/sites/all/modules/contrib/memcache/memcache-session.inc
+++ b/sites/all/modules/contrib/memcache/memcache-session.inc
@@ -16,11 +16,9 @@ require_once dirname(__FILE__) . '/dmemcache.inc';
  * Implement hook_user() using a required module's namespace since memcache is
  * not a module and thus can't implement hooks directly.
  */
-function filter_user($op, &$edit, &$account, $category = NULL) {
-  if ($op == 'update') {
-    // Invalidate cached user object.
-    cache_clear_all($account->uid, 'users');
-  }
+function filter_user_update(&$edit, $account, $category = NULL) {
+  // Invalidate cached user object.
+  cache_clear_all($account->uid, 'users');
 }

 function _drupal_session_open() {