diff --git a/www/manager6/qemu/HDEdit.js b/www/manager6/qemu/HDEdit.js
index 237128e5..4b6039a7 100644
--- a/www/manager6/qemu/HDEdit.js
+++ b/www/manager6/qemu/HDEdit.js
@@ -364,6 +364,8 @@ Ext.define('PVE.qemu.HDEdit', {
 
     isAdd: true,
 
+    backgroundDelay: 5,
+
     initComponent : function() {
 	var me = this;