diff --git a/libs/partners/mistralai/tests/integration_tests/test_standard.py b/libs/partners/mistralai/tests/integration_tests/test_standard.py
index 965cd03c4b178..cea6399ee4cd8 100644
--- a/libs/partners/mistralai/tests/integration_tests/test_standard.py
+++ b/libs/partners/mistralai/tests/integration_tests/test_standard.py
@@ -1,6 +1,6 @@
 """Standard LangChain interface tests"""
 
-from typing import Type
+from typing import Optional, Type
 
 from langchain_core.language_models import BaseChatModel
 from langchain_standard_tests.integration_tests import (  # type: ignore[import-not-found]
@@ -18,3 +18,8 @@ def chat_model_class(self) -> Type[BaseChatModel]:
     @property
     def chat_model_params(self) -> dict:
         return {"model": "mistral-large-latest", "temperature": 0}
+
+    @property
+    def tool_choice_value(self) -> Optional[str]:
+        """Value to use for tool choice when used in tests."""
+        return "any"