diff --git a/module/common/view/header.lite.html.php b/module/common/view/header.lite.html.php
index 432f58ee12..8d114918d5 100755
--- a/module/common/view/header.lite.html.php
+++ b/module/common/view/header.lite.html.php
@@ -11,7 +11,7 @@ $clientTheme  = $this->app->getClientTheme();
 <html xmlns='http://www.w3.org/1999/xhtml'>
 <head>
   <meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
-  <meta http-equiv="X-UA-Compatible" content="IE=edge">
+  <meta http-equiv='X-UA-Compatible' content='IE=edge'>
   <?php
   echo html::title($title . ' - ' . $lang->zentaoPMS);
 
