diff --git a/packages/xo-web/src/xo-app/new-vm/index.js b/packages/xo-web/src/xo-app/new-vm/index.js
index 6d474c4406a..30fe7b1d531 100644
--- a/packages/xo-web/src/xo-app/new-vm/index.js
+++ b/packages/xo-web/src/xo-app/new-vm/index.js
@@ -470,7 +470,7 @@ export default class NewVm extends BaseComponent {
 
     const data = {
       affinityHost: state.affinityHost && state.affinityHost.id,
-      clone: !this.isDiskTemplate && state.fastClone,
+      clone: !this._isDiskTemplate && state.fastClone,
       existingDisks: state.existingDisks,
       installation,
       name_label: state.name_label,