diff --git a/doc/configuration.rst b/doc/configuration.rst
index 573404f1..7f455ce8 100644
--- a/doc/configuration.rst
+++ b/doc/configuration.rst
@@ -1220,7 +1220,7 @@ repository with a new commit.
       deliverable is not release blocking.
     * ``update_summary`` -- (*bool*) Update summary metadata after tree composing.
       Defaults to ``False``.
-    * ``force_new_commit`` -- (*bool*) Do not use rpm-ostree's built in change
+    * ``force_new_commit`` -- (*bool*) Do not use rpm-ostree's built-in change
       detection.
       Defaults to ``False``.
     * ``version`` -- (*str*) Version string to be added as versioning metadata.
diff --git a/pungi/ostree/__init__.py b/pungi/ostree/__init__.py
index 718941a4..b2edd83d 100644
--- a/pungi/ostree/__init__.py
+++ b/pungi/ostree/__init__.py
@@ -42,6 +42,8 @@ def main(args=None):
                        help='update summary metadata')
     treep.add_argument('--ostree-ref', metavar='PATH',
                        help='override ref value from treefile')
+    treep.add_argument('--force-new-commit', action='store_true',
+                       help='do not use rpm-ostree\'s built-in change detection')
 
     installerp = subparser.add_parser("installer", help="Create an OSTree installer image")
     installerp.set_defaults(_class=Installer, func='run')
diff --git a/pungi/phases/ostree.py b/pungi/phases/ostree.py
index c681a330..0550b18c 100644
--- a/pungi/phases/ostree.py
+++ b/pungi/phases/ostree.py
@@ -126,6 +126,9 @@ class OSTreeThread(WorkerThread):
         if ostree_ref:
             cmd.append('--ostree-ref=%s' % ostree_ref)
 
+        if config.get('force_new_commit', False):
+            cmd.append('--force-new-commit')
+
         runroot_channel = compose.conf.get("runroot_channel")
         runroot_tag = compose.conf["runroot_tag"]
 
diff --git a/tests/test_ostree_script.py b/tests/test_ostree_script.py
index a2383df4..d2d7ad59 100644
--- a/tests/test_ostree_script.py
+++ b/tests/test_ostree_script.py
@@ -106,7 +106,7 @@ class OstreeTreeScriptTest(helpers.PungiTestCase):
         self.assertItemsEqual(
             run.call_args_list,
             [mock.call(['rpm-ostree', 'compose', 'tree', '--repo=%s' % repo,
-                       '--write-commitid-to=%s' % (self.topdir + '/logs/Atomic/commitid.log'),
+                        '--write-commitid-to=%s' % (self.topdir + '/logs/Atomic/commitid.log'),
                         self.topdir + '/fedora-atomic-docker-host.json'],
                        logfile=self.topdir + '/logs/Atomic/create-ostree-repo.log', show_cmd=True, stdout=True),
              mock.call(['ostree', 'summary', '-u', '--repo=%s' % repo],
@@ -128,7 +128,7 @@ class OstreeTreeScriptTest(helpers.PungiTestCase):
         self.assertItemsEqual(
             run.call_args_list,
             [mock.call(['rpm-ostree', 'compose', 'tree', '--repo=%s' % repo,
-                       '--write-commitid-to=%s' % (self.topdir + '/logs/Atomic/commitid.log'),
+                        '--write-commitid-to=%s' % (self.topdir + '/logs/Atomic/commitid.log'),
                         '--add-metadata-string=version=24',
                         self.topdir + '/fedora-atomic-docker-host.json'],
                        logfile=self.topdir + '/logs/Atomic/create-ostree-repo.log', show_cmd=True, stdout=True)])
@@ -164,6 +164,29 @@ class OstreeTreeScriptTest(helpers.PungiTestCase):
         # repos should stay unchanged
         self.assertEqual(original_repos, new_repos)
 
+    @mock.patch('kobo.shortcuts.run')
+    def test_force_new_commit(self, run):
+        repo = os.path.join(self.topdir, 'atomic')
+
+        helpers.touch(os.path.join(repo, 'initialized'))
+
+        ostree.main([
+            'tree',
+            '--repo=%s' % repo,
+            '--log-dir=%s' % os.path.join(self.topdir, 'logs', 'Atomic'),
+            '--treefile=%s/fedora-atomic-docker-host.json' % self.topdir,
+            '--force-new-commit',
+        ])
+
+        self.maxDiff = None
+        self.assertItemsEqual(
+            run.call_args_list,
+            [mock.call(['rpm-ostree', 'compose', 'tree', '--repo=%s' % repo,
+                        '--write-commitid-to=%s' % (self.topdir + '/logs/Atomic/commitid.log'),
+                        '--force-nocache',
+                        self.topdir + '/fedora-atomic-docker-host.json'],
+                       logfile=self.topdir + '/logs/Atomic/create-ostree-repo.log', show_cmd=True, stdout=True)])
+
     @mock.patch('pungi.ostree.utils.datetime')
     @mock.patch('kobo.shortcuts.run')
     def test_extra_config_with_extra_repos(self, run, time):