diff --git a/emhttp/plugins/dynamix.vm.manager/templates/Custom.form.php b/emhttp/plugins/dynamix.vm.manager/templates/Custom.form.php
index 9e04f95d8..32c109aec 100644
--- a/emhttp/plugins/dynamix.vm.manager/templates/Custom.form.php
+++ b/emhttp/plugins/dynamix.vm.manager/templates/Custom.form.php
@@ -1913,6 +1913,8 @@ $(function() {
 	$('.advancedview').change(function () {
 		if ($(this).is(':checked')) {
 			setTimeout(function() {
+				var xmlPanelHeight = window.outerHeight - 550;
+				editor.setSize(null,xmlPanelHeight);
 				editor.refresh();
 			}, 100);
 		}