diff --git a/libs/langchain/langchain/chat_models/jinachat.py b/libs/langchain/langchain/chat_models/jinachat.py
index 23450c12cfb..700ceb3a38c 100644
--- a/libs/langchain/langchain/chat_models/jinachat.py
+++ b/libs/langchain/langchain/chat_models/jinachat.py
@@ -35,6 +35,7 @@ from langchain.schema import (
     ChatGeneration,
     ChatMessage,
     ChatResult,
+    FunctionMessage,
     HumanMessage,
     SystemMessage,
 )
@@ -125,6 +126,12 @@ def _convert_message_to_dict(message: BaseMessage) -> dict:
         message_dict = {"role": "assistant", "content": message.content}
     elif isinstance(message, SystemMessage):
         message_dict = {"role": "system", "content": message.content}
+    elif isinstance(message, FunctionMessage):
+        message_dict = {
+            "role": "function",
+            "name": message.name,
+            "content": message.content,
+        }
     else:
         raise ValueError(f"Got unknown type {message}")
     if "name" in message.additional_kwargs: