diff --git a/plinth/modules/firewall/__init__.py b/plinth/modules/firewall/__init__.py
index d351d4ac5..3878d3825 100644
--- a/plinth/modules/firewall/__init__.py
+++ b/plinth/modules/firewall/__init__.py
@@ -28,6 +28,8 @@ from plinth.menu import main_menu
 from plinth.signals import service_enabled
 from plinth.utils import format_lazy
 
+from .manifest import backup
+
 version = 1
 
 is_essential = True
diff --git a/plinth/modules/firewall/manifest.py b/plinth/modules/firewall/manifest.py
new file mode 100644
index 000000000..82ef67e41
--- /dev/null
+++ b/plinth/modules/firewall/manifest.py
@@ -0,0 +1,23 @@
+#
+# This file is part of FreedomBox.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+"""
+Application manifest for firewall.
+"""
+
+from plinth.modules.backups.api import validate as validate_backup
+
+backup = validate_backup({})