diff --git a/tripleoclient/constants.py b/tripleoclient/constants.py
index 15cf3ff98..117e87a19 100644
--- a/tripleoclient/constants.py
+++ b/tripleoclient/constants.py
@@ -51,5 +51,7 @@ MAJOR_UPGRADE_PLAYBOOKS = ["upgrade_steps_playbook.yaml",
 MAJOR_UPGRADE_SKIP_TAGS = ['validation', 'pre-upgrade']
 # upgrade environment files expected by the client in the --templates
 # tripleo-heat-templates default above $TRIPLEO_HEAT_TEMPLATES
+UPDATE_PREPARE_ENV = "environments/lifecycle/update-prepare.yaml"
+UPDATE_CONVERGE_ENV = "environments/lifecycle/update-converge.yaml"
 UPGRADE_PREPARE_ENV = "environments/lifecycle/upgrade-prepare.yaml"
 UPGRADE_CONVERGE_ENV = "environments/lifecycle/upgrade-converge.yaml"
diff --git a/tripleoclient/tests/v1/overcloud_update/test_overcloud_update.py b/tripleoclient/tests/v1/overcloud_update/test_overcloud_update.py
index 8757508f1..9349cf901 100644
--- a/tripleoclient/tests/v1/overcloud_update/test_overcloud_update.py
+++ b/tripleoclient/tests/v1/overcloud_update/test_overcloud_update.py
@@ -66,14 +66,18 @@ class TestOvercloudUpdatePrepare(fakes.TestOvercloudUpdatePrepare):
         ]
 
         parsed_args = self.check_parser(self.cmd, argslist, verifylist)
-        self.cmd.take_action(parsed_args)
-        mock_update.assert_called_once_with(
-            self.app.client_manager,
-            container='mystack',
-            container_registry={'fake_container': 'fake_value'},
-            ceph_ansible_playbook='/usr/share/ceph-ansible'
-                                  '/site-docker.yml.sample'
-        )
+        with mock.patch('os.path.exists') as mock_exists, \
+                mock.patch('os.path.isfile') as mock_isfile:
+            mock_exists.return_value = True
+            mock_isfile.return_value = True
+            self.cmd.take_action(parsed_args)
+            mock_update.assert_called_once_with(
+                self.app.client_manager,
+                container='mystack',
+                container_registry={'fake_container': 'fake_value'},
+                ceph_ansible_playbook='/usr/share/ceph-ansible'
+                                      '/site-docker.yml.sample'
+            )
 
     @mock.patch('tripleoclient.workflows.package_update.update',
                 autospec=True)
@@ -97,8 +101,12 @@ class TestOvercloudUpdatePrepare(fakes.TestOvercloudUpdatePrepare):
         ]
         parsed_args = self.check_parser(self.cmd, argslist, verifylist)
 
-        self.assertRaises(exceptions.DeploymentError,
-                          self.cmd.take_action, parsed_args)
+        with mock.patch('os.path.exists') as mock_exists, \
+                mock.patch('os.path.isfile') as mock_isfile:
+            mock_exists.return_value = True
+            mock_isfile.return_value = True
+            self.assertRaises(exceptions.DeploymentError,
+                              self.cmd.take_action, parsed_args)
 
 
 class TestOvercloudUpdateRun(fakes.TestOvercloudUpdateRun):
diff --git a/tripleoclient/v1/overcloud_update.py b/tripleoclient/v1/overcloud_update.py
index 60c1fe63e..03959fc10 100644
--- a/tripleoclient/v1/overcloud_update.py
+++ b/tripleoclient/v1/overcloud_update.py
@@ -82,6 +82,14 @@ class UpdatePrepare(DeployOvercloud):
         # update_plan_only. The heat stack update is done by the
         # packag_update mistral action
         parsed_args.update_plan_only = True
+
+        # Add the upgrade-prepare.yaml environment to set noops etc
+        templates_dir = (parsed_args.templates or
+                         constants.TRIPLEO_HEAT_TEMPLATES)
+        parsed_args.environment_files = oooutils.prepend_environment(
+            parsed_args.environment_files, templates_dir,
+            constants.UPDATE_PREPARE_ENV)
+
         super(UpdatePrepare, self).take_action(parsed_args)
         package_update.update(clients, container=stack_name,
                               container_registry=registry,