diff --git a/tests/conftest.py b/tests/conftest.py
index f9df43c2..4c1e1821 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -169,13 +169,9 @@ async def _inner(format: str, type: str, path: str) -> None:
     return _inner
 
 
-@pytest.fixture
-def rtc_create_SQLite_store(jp_serverapp):
-    for k, v in jp_serverapp.config.get("SQLiteYStore").items():
-        setattr(SQLiteYStore, k, v)
-
+def rtc_create_SQLite_store_factory(jp_serverapp):
     async def _inner(type: str, path: str, content: str) -> DocumentRoom:
-        db = SQLiteYStore(path=f"{type}:{path}")
+        db = SQLiteYStore(path=f"{type}:{path}", config=jp_serverapp.config)
         task = create_task(db.start())
         await db.started.wait()
 
@@ -192,6 +188,11 @@ async def _inner(type: str, path: str, content: str) -> DocumentRoom:
     return _inner
 
 
+@pytest.fixture
+def rtc_create_SQLite_store(jp_serverapp):
+    return rtc_create_SQLite_store_factory(jp_serverapp)
+
+
 @pytest.fixture
 def rtc_create_mock_document_room():
     def _inner(
diff --git a/tests/test_app.py b/tests/test_app.py
index 3288311e..82067a1d 100644
--- a/tests/test_app.py
+++ b/tests/test_app.py
@@ -6,6 +6,8 @@
 import pytest
 from jupyter_server_ydoc.stores import SQLiteYStore, TempFileYStore
 
+from .conftest import rtc_create_SQLite_store_factory
+
 
 def test_default_settings(jp_serverapp):
     settings = jp_serverapp.web_app.settings["jupyter_server_ydoc_config"]
@@ -62,6 +64,19 @@ def test_settings_should_change_ystore_class(jp_configurable_serverapp):
     assert settings["ystore_class"] == TempFileYStore
 
 
+async def test_document_ttl_from_settings(rtc_create_mock_document_room, jp_configurable_serverapp):
+    argv = ["--SQLiteYStore.document_ttl=3600"]
+
+    app = jp_configurable_serverapp(argv=argv)
+
+    id = "test-id"
+    content = "test_ttl"
+    rtc_create_SQLite_store = rtc_create_SQLite_store_factory(app)
+    store = await rtc_create_SQLite_store("file", id, content)
+
+    assert store.document_ttl == 3600
+
+
 @pytest.mark.parametrize("copy", [True, False])
 async def test_get_document_file(rtc_create_file, jp_serverapp, copy):
     path, content = await rtc_create_file("test.txt", "test", store=True)