diff --git a/resources/tester/test_283_route_change_reset.py b/resources/tester/test_283_route_change_reset.py
index bcd6884f2..651d75fbe 100644
--- a/resources/tester/test_283_route_change_reset.py
+++ b/resources/tester/test_283_route_change_reset.py
@@ -310,7 +310,11 @@ def test_한_본문_손_고침은_보낸_칸을_씀(monkeypatch):
         pipes={"points": [{"chainage_m": 50.0}]},
         structures=SimpleNamespace(),
         plus_stations=SimpleNamespace(),
-        alignment=SimpleNamespace(model_copy=lambda update: SimpleNamespace(**update)),
+        alignment=SimpleNamespace(
+            model_copy=lambda update: design_save.ProfileAlignmentSaveRequest.model_construct(
+                **update
+            )
+        ),
         culvert_options=None,
         uphill=None,
         cross=None,
diff --git a/resources/tester/test_347_2_drainage_live.py b/resources/tester/test_347_2_drainage_live.py
index f4eaa8856..0add4a346 100644
--- a/resources/tester/test_347_2_drainage_live.py
+++ b/resources/tester/test_347_2_drainage_live.py
@@ -77,7 +77,7 @@ def test_build_detail_uses_memory_routing(tmp_path):
 
 def _patch_live(monkeypatch, preview_fn):
     async def prepare(project_id):
-        return {"contours": [], "streams": [], "contour_key": "k"}
+        return {"contours": [], "streams": [], "contour_key": "k", "crs": None}
 
     async def load(project_id):
         return DrainageContext(stored_path="x", project_root=Path("."), vertices=VERTICES), ""