diff --git a/litellm/llms/sambanova/chat.py b/litellm/llms/sambanova/chat.py
index b0534347c9a..2218c808721 100644
--- a/litellm/llms/sambanova/chat.py
+++ b/litellm/llms/sambanova/chat.py
@@ -121,5 +121,10 @@ class SambanovaConfig(OpenAIGPTConfig):
         SambaNova API doesn't support content as a list - only string content.
         This converts content lists like [{"type": "text", "text": "..."}] to strings.
         """
+        async def _async_transform():
+            return handle_messages_with_content_list_to_str_conversion(messages)
+
+        if is_async:
+            return _async_transform()
         messages = handle_messages_with_content_list_to_str_conversion(messages)
         return messages