diff --git a/nova/tests/unit/virt/xenapi/test_vm_utils.py b/nova/tests/unit/virt/xenapi/test_vm_utils.py
index 3bec9f9a3d..5774cddd6c 100644
--- a/nova/tests/unit/virt/xenapi/test_vm_utils.py
+++ b/nova/tests/unit/virt/xenapi/test_vm_utils.py
@@ -353,7 +353,7 @@ class ResizeHelpersTestCase(VMUtilsTestBase):
         mock_fsck.assert_has_calls([
             mock.call(partition_path)])
         mock_resize2fs.assert_has_calls([
-            mock.call(partition_path, None, size='10s')])
+            mock.call(partition_path, [0], size='10s')])
         mock_resize.assert_has_calls([
             mock.call(dev_path, 0, 9, True)])
         mock_disable_journal.assert_has_calls([
@@ -408,7 +408,7 @@ class ResizeHelpersTestCase(VMUtilsTestBase):
         mock_fsck.assert_has_calls([
             mock.call(partition_path)])
         mock_resize2fs.assert_has_calls([
-            mock.call(partition_path, None)])
+            mock.call(partition_path, [0])])
         mock_resize.assert_has_calls([
             mock.call(dev_path, 0, 29, False)])
         mock_disable_journal.assert_has_calls([
diff --git a/nova/virt/xenapi/vm_utils.py b/nova/virt/xenapi/vm_utils.py
index 4110e9135c..9bad2cdc70 100644
--- a/nova/virt/xenapi/vm_utils.py
+++ b/nova/virt/xenapi/vm_utils.py
@@ -2294,7 +2294,7 @@ def _resize_part_and_fs(dev, start, old_sectors, new_sectors, flags):
     if new_sectors < old_sectors:
         # Resizing down, resize filesystem before partition resize
         try:
-            nova.privsep.fs.resize2fs(partition_path, None, size='%ds' % size)
+            nova.privsep.fs.resize2fs(partition_path, [0], size='%ds' % size)
         except processutils.ProcessExecutionError as exc:
             LOG.error(six.text_type(exc))
             reason = _("Shrinking the filesystem down with resize2fs "
@@ -2307,7 +2307,7 @@ def _resize_part_and_fs(dev, start, old_sectors, new_sectors, flags):
 
     if new_sectors > old_sectors:
         # Resizing up, resize filesystem after partition resize
-        nova.privsep.fs.resize2fs(partition_path, None)
+        nova.privsep.fs.resize2fs(partition_path, [0])
 
     # Add back journal
     nova.privsep.fs.ext_journal_enable(partition_path)