diff --git a/src/vz/vz_sdk.c b/src/vz/vz_sdk.c
index a97dc29799a3be335aae1cb5efa3d5f95d63ebeb..a985b3db2ef926cc4278797d17958fbbe5961575 100644
--- a/src/vz/vz_sdk.c
+++ b/src/vz/vz_sdk.c
@@ -647,6 +647,9 @@ prlsdkGetDiskInfo(vzDriverPtr driver,
             VIR_FREE(disk->serial);
     }
 
+    if (virDomainDiskSetDriver(disk, "vz") < 0)
+        goto cleanup;
+
     ret = 0;
 
  cleanup: