diff --git a/backend/tests/test_ap08_operating_model.py b/backend/tests/test_ap08_operating_model.py
index 649574a..5a87798 100644
--- a/backend/tests/test_ap08_operating_model.py
+++ b/backend/tests/test_ap08_operating_model.py
@@ -255,6 +255,13 @@ def test_backlog_sort_order(client):
     second = _create_backlog(client, token, initiative_id, title="Second").json()
     assert first["sort_order"] < second["sort_order"]
 
+    # Reorder wie im Frontend: beide Geschwister sort_order neu setzen (kein Tie)
+    bumped = client.patch(
+        f"/api/backlog/{first['id']}",
+        json={"sort_order": 10},
+        headers=_auth(token),
+    )
+    assert bumped.status_code == 200
     patched = client.patch(
         f"/api/backlog/{second['id']}",
         json={"sort_order": 0},
diff --git a/backend/version.py b/backend/version.py
index c191a33..2b80c6b 100644
--- a/backend/version.py
+++ b/backend/version.py
@@ -1,3 +1,3 @@
-APP_VERSION = "0.16.8-ap1.12d"
+APP_VERSION = "0.16.9-ap1.12d-fix"
 DB_SCHEMA_VERSION = "015"
 APP_NAME = "jinkendo-kairo"