diff --git a/modules/admin/tpl/js/admin.js b/modules/admin/tpl/js/admin.js
index 088e9dee4..02d6ae0c8 100644
--- a/modules/admin/tpl/js/admin.js
+++ b/modules/admin/tpl/js/admin.js
@@ -39,14 +39,14 @@ jQuery(function($) {
 function doInstallModule(module) {
 	var params = [];
 	params.module_name = module;
-	exec_xml('install','procInstallAdminInstall',params, completeInstallModule);
+	exec_json('install.procInstallAdminInstall', params, completeInstallModule);
 }
 
 // upgrade module
 function doUpdateModule(module) {
 	var params = [];
 	params.module_name = module;
-	exec_xml('install','procInstallAdminUpdate',params, completeInstallModule);
+	exec_json('install.procInstallAdminUpdate', params, completeInstallModule);
 }
 
 function completeInstallModule(ret_obj) {