diff --git a/modules/module/module.model.php b/modules/module/module.model.php
index 11698d636..c8b27955b 100644
--- a/modules/module/module.model.php
+++ b/modules/module/module.model.php
@@ -148,7 +148,7 @@
         /**
          * @brief Get module information by mid
          **/
-        function getModuleInfoByMid($mid, $site_srl, $columnList = array()) {
+        function getModuleInfoByMid($mid, $site_srl = 0, $columnList = array()) {
             $args->mid = $mid;
             $args->site_srl = (int)$site_srl;
             $oCacheHandler = &CacheHandler::getInstance('object');