diff --git a/application/default/controllers/DataController.php b/application/default/controllers/DataController.php
index 0eb2e133..db6809b7 100755
--- a/application/default/controllers/DataController.php
+++ b/application/default/controllers/DataController.php
@@ -112,7 +112,7 @@ class DataController extends Zend_Controller_Action
     	if (empty($page)) $page=1;
     	$limit=10;
     	$offset=$limit*($page-1);
-    	$state=$this->db->query('select count(*) from $this->submd');
+    	$state=$this->db->query("select count(*) from $this->submd");
     	$row=$state->fetchAll();
     	$sum=$row[0]['count'];
     	$select=$this->db->select();