diff --git a/www/manager6/grid/FirewallOptions.js b/www/manager6/grid/FirewallOptions.js
index 87f6790c5..819ebb8d4 100644
--- a/www/manager6/grid/FirewallOptions.js
+++ b/www/manager6/grid/FirewallOptions.js
@@ -116,7 +116,7 @@ Ext.define('PVE.FirewallOptions', {
 	var edit_btn = new Ext.Button({
 	    text: gettext('Edit'),
 	    disabled: true,
-	    handler: me.run_editor
+	    handler: function() { me.run_editor(); }
 	});
 
 	var set_button_status = function() {
diff --git a/www/manager6/lxc/Options.js b/www/manager6/lxc/Options.js
index 0633f9f12..3a9959fed 100644
--- a/www/manager6/lxc/Options.js
+++ b/www/manager6/lxc/Options.js
@@ -149,7 +149,7 @@ Ext.define('PVE.lxc.Options', {
 		var rowdef = rows[rec.data.key];
 		return !!rowdef.editor;
 	    },
-	    handler: me.run_editor
+	    handler: function() { me.run_editor(); }
 	});
 
 	Ext.apply(me, {
diff --git a/www/manager6/lxc/Resources.js b/www/manager6/lxc/Resources.js
index 58482779c..d2835a27e 100644
--- a/www/manager6/lxc/Resources.js
+++ b/www/manager6/lxc/Resources.js
@@ -154,7 +154,7 @@ Ext.define('PVE.lxc.RessourceView', {
 		var rowdef = rows[rec.data.key];
 		return !!rowdef.editor;
 	    },
-	    handler: me.run_editor
+	    handler: function() { me.run_editor(); }
 	});
 
 	var resize_btn = new Proxmox.button.Button({
diff --git a/www/manager6/qemu/Options.js b/www/manager6/qemu/Options.js
index 5b8b5dc44..6f0b25110 100644
--- a/www/manager6/qemu/Options.js
+++ b/www/manager6/qemu/Options.js
@@ -304,7 +304,7 @@ Ext.define('PVE.qemu.Options', {
 	var edit_btn = new Ext.Button({
 	    text: gettext('Edit'),
 	    disabled: true,
-	    handler: me.run_editor
+	    handler: function() { me.run_editor(); }
 	});
 
         var revert_btn = new Proxmox.button.Button({