diff --git a/application/default/controllers/ServiceController.php b/application/default/controllers/ServiceController.php
index baed5293..a8301e89 100644
--- a/application/default/controllers/ServiceController.php
+++ b/application/default/controllers/ServiceController.php
@@ -1463,7 +1463,7 @@ class ServiceController extends Zend_Controller_Action
 				echo 0;
 				return;
 			}
-			$sql = "select count(md.id) as total from mdref mr
+			$sql = "select count(distinct md.id) as total from mdref mr
 					right join normalmetadata md on md.uuid=mr.uuid
 					 where mr.refid=$id";
 			$rs = $this->db->query($sql);