diff --git a/emhttp/plugins/dynamix/include/DefaultPageLayout.php b/emhttp/plugins/dynamix/include/DefaultPageLayout.php
index 89f524c60..0bed2aed9 100644
--- a/emhttp/plugins/dynamix/include/DefaultPageLayout.php
+++ b/emhttp/plugins/dynamix/include/DefaultPageLayout.php
@@ -378,6 +378,7 @@ function abortOperation(pid) {
   });
 }
 function openChanges(cmd,title,nchan,button=0) {
+  $('div.spinner.fixed').show();
   // button = 0 : hide CLOSE button (default)
   // button = 1 : show CLOSE button
   // nchan argument is not used, exists for backward compatibility