diff --git a/common/tpl/common_layout.html b/common/tpl/common_layout.html
index 570496271..e6d8a87d7 100644
--- a/common/tpl/common_layout.html
+++ b/common/tpl/common_layout.html
@@ -11,9 +11,9 @@
     <!--@foreach(Context::getJsFile() as $key => $js_file)-->
     <script type="text/javascript" src="{$js_file}"></script>
     <!--@end-->
-    <link rel="stylesheet" HREF="./common/css/default.css" type="text/css" />
+    <link rel="stylesheet" href="./common/css/default.css" type="text/css" />
     <!--@foreach(Context::getCssFile() as $key => $css_file)-->
-    <link rel="stylesheet" HREF="{$css_file}" type="text/css" />
+    <link rel="stylesheet" href="{$css_file}" type="text/css" />
     <!--@end-->
     <script type="text/javascript">
         var zbxe_url = "{$zbxe_url}";