diff --git a/libs/oci/langchain_oci/chat_models/oci_generative_ai.py b/libs/oci/langchain_oci/chat_models/oci_generative_ai.py
index 8d8ce34..939313a 100644
--- a/libs/oci/langchain_oci/chat_models/oci_generative_ai.py
+++ b/libs/oci/langchain_oci/chat_models/oci_generative_ai.py
@@ -1281,7 +1281,7 @@ def _generate(
                 for tool_call in self._provider.chat_tool_calls(response)
             ]
         message = AIMessage(
-            content=content,
+            content=content or "",
             additional_kwargs=generation_info,
             tool_calls=tool_calls,
         )