diff --git a/manage.html b/manage.html
index e0adfccf..946776f9 100644
--- a/manage.html
+++ b/manage.html
@@ -156,6 +156,7 @@
   <script src="manage/sort.js"></script>
   <script src="manage/manage.js"></script>
 
+  <script src="vendor-overwrites/colorpicker/colorconverter.js" async></script>
   <script src="vendor-overwrites/colorpicker/colorpicker.js" async></script>
   <script src="manage/config-dialog.js" async></script>
   <script src="manage/updater-ui.js" async></script>