diff --git a/agentrun/tool/api/openapi.py b/agentrun/tool/api/openapi.py
index 3874fbb..1bca8f7 100644
--- a/agentrun/tool/api/openapi.py
+++ b/agentrun/tool/api/openapi.py
@@ -446,7 +446,8 @@ def call_tool(
         url, auth = self._build_ram_auth(url)
 
         logger.debug(
-            f"Calling FunctionCall tool: {method} {url} with args={arguments}"
+            "Calling FunctionCall tool:"
+            f" {method} {url} with args={request_arguments}"
         )
 
         with httpx.Client(
@@ -510,7 +511,7 @@ async def call_tool_async(
 
         logger.debug(
             f"Calling FunctionCall tool async: {method} {url} with"
-            f" args={arguments}"
+            f" args={request_arguments}"
         )
 
         async with httpx.AsyncClient(
diff --git a/tests/unittests/tool/test_openapi.py b/tests/unittests/tool/test_openapi.py
index 1ce4041..0c99a48 100644
--- a/tests/unittests/tool/test_openapi.py
+++ b/tests/unittests/tool/test_openapi.py
@@ -966,7 +966,7 @@ async def test_call_tool_async_uses_fixed_headers_and_filters_arguments(
         mock_client_instance.__aenter__ = AsyncMock(
             return_value=mock_client_instance
         )
-        mock_client_instance.__aexit__ = AsyncMock()
+        mock_client_instance.__aexit__ = AsyncMock(return_value=False)
         mock_async_client_class.return_value = mock_client_instance
 
         spec = json.dumps({