diff --git troll.admin.inc troll.admin.inc
index 4f09dc1..b3bee94 100644
--- troll.admin.inc
+++ troll.admin.inc
@@ -888,7 +893,7 @@ function troll_list_users($edit) {
   }
   if (!empty($edit['date_created'])) {
     $where[] = "u.created > %d ";
-    $args[] = drupal_strtotime($edit['date_created']);
+    $args[] = strtotime($edit['date_created']);
   }
 
   $sql = "SELECT u.uid, u.name, u.mail, u.status, t.ip_address, MAX(t.accessed) AS recorded, u.created FROM {users} u LEFT JOIN {troll_ip_track} t ON u.uid = t.uid";