diff --git a/src/xapi.js b/src/xapi.js
index b68ee57a3..22ecb8fa5 100644
--- a/src/xapi.js
+++ b/src/xapi.js
@@ -624,7 +624,7 @@ export default class Xapi extends XapiBase {
   async remoteCopyVm (vmId, targetXapi, targetSrId, {
     compress = true,
     nameLabel = undefined
-  }) {
+  } = {}) {
     const sr = targetXapi.getObject(targetSrId)
     const stream = await this.exportVm(vmId, {
       compress,