diff --git a/interface/web/tools/resync.php b/interface/web/tools/resync.php
index 1cd150a73700e878dedff92069b60a044a26bbdb..e99e5119db4abcfcaa4a1503ff027e8d19f8d491 100644
--- a/interface/web/tools/resync.php
+++ b/interface/web/tools/resync.php
@@ -182,7 +182,7 @@ class page_action extends tform_actions {
 		//* firewall
 		$array_out = array();
 		foreach($server_data as $db_table => $data) {
-			$sql = @(isset($data['server_id']))?"SELECT * FROM ?? WHERE server_id = ":"SELECT * FROM ??";
+			$sql = @(isset($data['server_id']))?"SELECT * FROM ?? WHERE server_id = ?":"SELECT * FROM ??";
 			$records = $app->db->queryAllRecords($sql, $db_table, $server_id);
 			if (!empty($records)) array_push($array_out, $db_table);
 		}