diff --git a/swh/storage/api/gunicorn_config.py b/swh/storage/api/gunicorn_config.py
new file mode 100644
--- /dev/null
+++ b/swh/storage/api/gunicorn_config.py
@@ -0,0 +1,16 @@
+# Copyright (C) 2022  The Software Heritage developers
+# See the AUTHORS file at the top-level directory of this distribution
+# License: GNU General Public License version 3, or any later version
+# See top-level LICENSE file for more information
+
+import functools
+
+import psycopg2.errors
+
+from swh.core.api.gunicorn_config import *  # noqa
+from swh.storage.exc import StorageArgumentException
+
+post_fork = functools.partial(
+    post_fork,  # noqa
+    ignored_exceptions=(psycopg2.errors.UniqueViolation, StorageArgumentException),
+)