diff --git a/www/manager6/ceph/CephInstallWizard.js b/www/manager6/ceph/CephInstallWizard.js
index b5305364..76fbdc63 100644
--- a/www/manager6/ceph/CephInstallWizard.js
+++ b/www/manager6/ceph/CephInstallWizard.js
@@ -463,13 +463,13 @@ Ext.define('PVE.ceph.CephInstallWizard', {
 		    var nodename = me.nodename;
 		    delete kv.nodename;
 		    Proxmox.Utils.API2Request({
-			url: '/nodes/' + nodename + '/ceph/init',
+			url: `/nodes/${nodename}/ceph/init`,
 			waitMsgTarget: wizard,
 			method: 'POST',
 			params: kv,
 			success: function() {
 			    Proxmox.Utils.API2Request({
-				url: '/nodes/' + monNode + '/ceph/mon/' + monNode,
+				url: `/nodes/${monNode}/ceph/mon/${monNode}`,
 				waitMsgTarget: wizard,
 				method: 'POST',
 				success: function() {