diff --git a/src/backend/langflow/api/v1/schemas.py b/src/backend/langflow/api/v1/schemas.py
index ed5bf8b3b..1739310e9 100644
--- a/src/backend/langflow/api/v1/schemas.py
+++ b/src/backend/langflow/api/v1/schemas.py
@@ -43,7 +43,7 @@ class ChatMessage(BaseModel):
     """Chat message schema."""
 
     is_bot: bool = False
-    message: Union[str, None] = None
+    message: Union[str, None, dict] = None
     type: str = "human"