diff --git a/include/staff/header.inc.php b/include/staff/header.inc.php
index 5140a44e00a2d0da3a923550106bbe00a443dfc4..5192130465f2f469c669347cb83781cd73e9a35d 100644
--- a/include/staff/header.inc.php
+++ b/include/staff/header.inc.php
@@ -77,6 +77,7 @@
             echo $h;
     } ?>
     <title><?php echo ($ost && ($title=$ost->getPageTitle()))?$title:'osTicket :: Staff Control Panel'; ?></title><?php
+    header('X-PJAX-Version: ' . GIT_VERSION);
 } # endif X_PJAX ?>
     <ul id="nav">
 <?php include STAFFINC_DIR . "templates/navigation.tmpl.php"; ?>