diff --git a/libs/partners/openai/tests/unit_tests/chat_models/test_base.py b/libs/partners/openai/tests/unit_tests/chat_models/test_base.py
index a7b3e5f102e..dd5b8291e97 100644
--- a/libs/partners/openai/tests/unit_tests/chat_models/test_base.py
+++ b/libs/partners/openai/tests/unit_tests/chat_models/test_base.py
@@ -541,6 +541,9 @@ def test_openai_invoke(mock_client: MagicMock) -> None:
         assert "headers" not in res.response_metadata
     assert mock_client.create.called
 
+    assert llm.root_client is None
+    assert llm.root_async_client is None
+
 
 async def test_openai_ainvoke(mock_async_client: AsyncMock) -> None:
     llm = ChatOpenAI()