diff --git a/tempest/api/volume/test_volumes_negative.py b/tempest/api/volume/test_volumes_negative.py
index 76c22f0..389d3be 100644
--- a/tempest/api/volume/test_volumes_negative.py
+++ b/tempest/api/volume/test_volumes_negative.py
@@ -127,14 +127,14 @@
     def test_update_volume_with_nonexistent_volume_id(self):
         """Test updating non existent volume should fail"""
         self.assertRaises(lib_exc.NotFound, self.volumes_client.update_volume,
-                          volume_id=data_utils.rand_uuid())
+                          volume_id=data_utils.rand_uuid(), name="n")
 
     @decorators.attr(type=['negative'])
     @decorators.idempotent_id('e66e40d6-65e6-4e75-bdc7-636792fa152d')
     def test_update_volume_with_invalid_volume_id(self):
         """Test updating volume with invalid volume id should fail"""
         self.assertRaises(lib_exc.NotFound, self.volumes_client.update_volume,
-                          volume_id=data_utils.rand_name('invalid'))
+                          volume_id=data_utils.rand_name('invalid'), name="n")
 
     @decorators.attr(type=['negative'])
     @decorators.idempotent_id('72aeca85-57a5-4c1f-9057-f320f9ea575b')