diff --git a/tests/ert/unit_tests/storage/test_local_storage.py b/tests/ert/unit_tests/storage/test_local_storage.py
index 9a256592d21..b38d7c70ed1 100644
--- a/tests/ert/unit_tests/storage/test_local_storage.py
+++ b/tests/ert/unit_tests/storage/test_local_storage.py
@@ -3,7 +3,7 @@
 import shutil
 import tempfile
 from dataclasses import dataclass, field
-from datetime import datetime
+from datetime import datetime, timedelta
 from pathlib import Path
 from typing import Any, Dict, List
 from unittest.mock import MagicMock, PropertyMock, patch
@@ -34,7 +34,7 @@
 from ert.config.gen_kw_config import TransformFunctionDefinition
 from ert.config.general_observation import GenObservation
 from ert.config.observation_vector import ObsVector
-from ert.storage import ErtStorageException, open_storage
+from ert.storage import ErtStorageException, LocalEnsemble, open_storage
 from ert.storage.local_storage import _LOCAL_STORAGE_VERSION
 from ert.storage.mode import ModeError
 from ert.storage.realization_storage_state import RealizationStorageState
@@ -280,6 +280,45 @@ def test_refresh(tmp_path):
             assert _ensembles(accessor) == _ensembles(reader)
 
 
+def test_that_reader_storage_reads_most_recent_response_configs(tmp_path):
+    reader = open_storage(tmp_path, mode="r")
+    writer = open_storage(tmp_path, mode="w")
+
+    exp = writer.create_experiment(
+        responses=[SummaryConfig(keys=["*", "FOPR"], input_files=["not_relevant"])],
+        name="uniq",
+    )
+    ens: LocalEnsemble = exp.create_ensemble(ensemble_size=10, name="uniq_ens")
+
+    reader.refresh()
+    read_exp = reader.get_experiment_by_name("uniq")
+    assert read_exp.id == exp.id
+
+    read_smry_config = read_exp.response_configuration["summary"]
+    assert read_smry_config.keys == ["*", "FOPR"]
+    assert not read_smry_config.has_finalized_keys
+
+    smry_data = polars.DataFrame(
+        {
+            "response_key": ["FOPR", "FOPR", "WOPR", "WOPR", "FOPT", "FOPT"],
+            "time": polars.Series(
+                [datetime.now() + timedelta(days=i) for i in range(6)]
+            ).dt.cast_time_unit("ms"),
+            "values": polars.Series(
+                [0.2, 0.2, 1.0, 1.1, 3.3, 3.3], dtype=polars.Float32
+            ),
+        }
+    )
+
+    ens.save_response("summary", smry_data, 0)
+    assert read_smry_config.keys == ["*", "FOPR"]
+    assert not read_smry_config.has_finalized_keys
+
+    read_smry_config = read_exp.response_configuration["summary"]
+    assert read_smry_config.keys == ["FOPR", "FOPT", "WOPR"]
+    assert read_smry_config.has_finalized_keys
+
+
 def test_writing_to_read_only_storage_raises(tmp_path):
     with open_storage(tmp_path, mode="r") as storage, pytest.raises(ModeError):
         storage.create_experiment()