diff --git a/libs/standard-tests/langchain_tests/integration_tests/chat_models.py b/libs/standard-tests/langchain_tests/integration_tests/chat_models.py
index 1750e8bdefd..ee7f9ed94bb 100644
--- a/libs/standard-tests/langchain_tests/integration_tests/chat_models.py
+++ b/libs/standard-tests/langchain_tests/integration_tests/chat_models.py
@@ -1564,7 +1564,7 @@ class ChatModelIntegrationTests(ChatModelTests):
 
         model_with_tools = model.bind_tools([my_adder_tool])
         function_name = "my_adder_tool"
-        function_args = {"a": "1", "b": "2"}
+        function_args = {"a": 1, "b": 2}
 
         messages_string_content = [
             HumanMessage("What is 1 + 2"),