diff --git a/sample-code/src/foundation-models-openai.ts b/sample-code/src/foundation-models-openai.ts
index 83b70c4f..d18ae589 100644
--- a/sample-code/src/foundation-models-openai.ts
+++ b/sample-code/src/foundation-models-openai.ts
@@ -8,10 +8,7 @@ import {
  * @returns The answer from GPT.
  */
 export async function chatCompletion(): Promise<string> {
-  const response = await new OpenAiChatClient({
-    deploymentId: 'test',
-    modelName: 'gpt-35-turbo'
-  }).run({
+  const response = await new OpenAiChatClient('gpt-35-turbo').run({
     messages: [{ role: 'user', content: 'What is the capital of France?' }]
   });
   return response.getContent()!;