diff --git a/src/backend/langflow/api/v1/chat.py b/src/backend/langflow/api/v1/chat.py
index 6edbc3b4e..613a2fc51 100644
--- a/src/backend/langflow/api/v1/chat.py
+++ b/src/backend/langflow/api/v1/chat.py
@@ -159,7 +159,7 @@ async def build_vertex(
                 set_cache_coro=set_cache_coro,
                 vertex_id=vertex_id,
                 user_id=current_user.id,
-                inputs=inputs.model_dump() if inputs else {},
+                inputs_dict=inputs.model_dump() if inputs else {},
             )
             result_data_response = ResultDataResponse(**result_dict.model_dump())
 
diff --git a/src/backend/langflow/graph/graph/base.py b/src/backend/langflow/graph/graph/base.py
index 6f9909ed7..174ec9ce4 100644
--- a/src/backend/langflow/graph/graph/base.py
+++ b/src/backend/langflow/graph/graph/base.py
@@ -652,7 +652,7 @@ class Graph:
         lock: asyncio.Lock,
         set_cache_coro: Coroutine,
         vertex_id: str,
-        inputs: Optional[Dict[str, str]] = None,
+        inputs_dict: Optional[Dict[str, str]] = None,
         user_id: Optional[str] = None,
     ):
         """
@@ -675,7 +675,6 @@ class Graph:
         vertex = self.get_vertex(vertex_id)
         try:
             if not vertex.frozen or not vertex._built:
-                inputs_dict = inputs.model_dump() if inputs else {}
                 await vertex.build(user_id=user_id, inputs=inputs_dict)
 
             if vertex.result is not None: