diff --git a/nova/virt/hyperv/driver.py b/nova/virt/hyperv/driver.py
index 539794e48a7..1026ced95f3 100644
--- a/nova/virt/hyperv/driver.py
+++ b/nova/virt/hyperv/driver.py
@@ -161,9 +161,9 @@ def power_on(self, instance):
         self._vmops.power_on(instance)
 
     def live_migration(self, context, instance_ref, dest, post_method,
-        recover_method, block_migration=False):
+        recover_method, block_migration=False, migrate_data=None):
         self._livemigrationops.live_migration(context, instance_ref, dest,
-            post_method, recover_method, block_migration)
+            post_method, recover_method, block_migration, migrate_data)
 
     def compare_cpu(self, cpu_info):
         return self._livemigrationops.compare_cpu(cpu_info)
diff --git a/nova/virt/hyperv/livemigrationops.py b/nova/virt/hyperv/livemigrationops.py
index 1f97adf248e..16baf4059f9 100644
--- a/nova/virt/hyperv/livemigrationops.py
+++ b/nova/virt/hyperv/livemigrationops.py
@@ -64,7 +64,7 @@ def _check_live_migration_config(self):
                 _('Live migration networks are not configured on this host'))
 
     def live_migration(self, context, instance_ref, dest, post_method,
-        recover_method, block_migration=False):
+        recover_method, block_migration=False, migrate_data=None):
         LOG.debug(_("live_migration called"), instance=instance_ref)
         instance_name = instance_ref["name"]