diff --git a/interface/super/manage_site_files.php b/interface/super/manage_site_files.php
index cd25ea8b032..4ca13ee6759 100644
--- a/interface/super/manage_site_files.php
+++ b/interface/super/manage_site_files.php
@@ -537,7 +537,7 @@ function msfFileChanged() {
         $('#add-manually').on('click', function () {
             var new_type = $("#add-manually-input").val();
             if(new_type.length < 1)return;
-            $('#white-list').prepend("<option value="+new_type+">"+new_type+"</option>")
+            $('#white-list').prepend("<option value='" + jsAttr(new_type) + "'>" + jsText(new_type) + "</option>")
         })
 
         $('#submit-whitelist').on('click', function () {