diff --git a/python/samples/concepts/agents/mixed_chat/mixed_chat_images.py b/python/samples/concepts/agents/mixed_chat/mixed_chat_images.py
index d93965a8dc34..648ebd97cb1e 100644
--- a/python/samples/concepts/agents/mixed_chat/mixed_chat_images.py
+++ b/python/samples/concepts/agents/mixed_chat/mixed_chat_images.py
@@ -57,7 +57,7 @@ async def main():
 
     service_id = "summary"
     summary_agent = ChatCompletionAgent(
-        kernel=_create_kernel_with_chat_completion(service_id=service_id),
+        kernel=_create_kernel_with_chat_completion(service_id=service_id, credential=credential),
         instructions="Summarize the entire conversation for the user in natural language.",
         name="Summarizer",
     )