diff --git a/@xen-orchestra/backups/_deltaVm.js b/@xen-orchestra/backups/_deltaVm.js
index ab23e2689..49de95a25 100644
--- a/@xen-orchestra/backups/_deltaVm.js
+++ b/@xen-orchestra/backups/_deltaVm.js
@@ -143,7 +143,7 @@ exports.importDeltaVm = defer(async function importDeltaVm(
   $defer,
   deltaVm,
   sr,
-  { cancelToken = CancelToken.none, detectBase = true, mapVdisSrs = {} } = {}
+  { cancelToken = CancelToken.none, detectBase = true, mapVdisSrs = {}, restoreMacAddresses = true } = {}
 ) {
   const { version } = deltaVm
   if (compareVersions(version, '1.0.0') < 0) {
@@ -332,7 +332,7 @@ exports.importDeltaVm = defer(async function importDeltaVm(
             VM: vmRef,
           },
           {
-            MAC: vif.MAC,
+            MAC: restoreMacAddresses ? vif.MAC : undefined,
           }
         )
       }