diff --git a/libs/partners/openai/tests/unit_tests/test_load.py b/libs/partners/openai/tests/unit_tests/test_load.py
index bb2c1a79d94..86f575408e6 100644
--- a/libs/partners/openai/tests/unit_tests/test_load.py
+++ b/libs/partners/openai/tests/unit_tests/test_load.py
@@ -5,7 +5,7 @@ from langchain_openai import ChatOpenAI, OpenAI
 
 
 def test_loads_openai_llm() -> None:
-    llm = OpenAI(model="davinci", temperature=0.5, openai_api_key="hello")
+    llm = OpenAI(model="davinci", temperature=0.5, openai_api_key="hello", top_p=0.8)
     llm_string = dumps(llm)
     llm2 = loads(llm_string, secrets_map={"OPENAI_API_KEY": "hello"})