diff --git a/src/backend/base/langflow/custom/custom_component/component.py b/src/backend/base/langflow/custom/custom_component/component.py
index 3e3751ef0..16bbe7b58 100644
--- a/src/backend/base/langflow/custom/custom_component/component.py
+++ b/src/backend/base/langflow/custom/custom_component/component.py
@@ -10,6 +10,7 @@ from typing import TYPE_CHECKING, Any, ClassVar, get_type_hints
 
 import nanoid
 import yaml
+from langchain_core.tools import StructuredTool
 from pydantic import BaseModel, ValidationError
 
 from langflow.base.tools.constants import TOOL_OUTPUT_DISPLAY_NAME, TOOL_OUTPUT_NAME
@@ -494,7 +495,7 @@ class Component(CustomComponent):
         # if value is a list of components, we need to process each component
         # Note this update make sure it is not a list str | int | float | bool | type(None)
         if isinstance(value, list) and not any(
-            isinstance(val, str | int | float | bool | type(None) | Message | Data) for val in value
+            isinstance(val, str | int | float | bool | type(None) | Message | Data | StructuredTool) for val in value
         ):
             for val in value:
                 self._process_connection_or_parameter(key, val)
diff --git a/src/backend/tests/unit/components/agents/test_agent_component.py b/src/backend/tests/unit/components/agents/test_agent_component.py
index 968abfab9..d20297940 100644
--- a/src/backend/tests/unit/components/agents/test_agent_component.py
+++ b/src/backend/tests/unit/components/agents/test_agent_component.py
@@ -24,5 +24,5 @@ async def test_agent_component_with_calculator():
         temperature=temperature,
     )
 
-    response = await agent.get_response()
+    response = await agent.message_response()
     assert "4" in response.data.get("text")