diff --git a/packages/backend/src/managers/playground.ts b/packages/backend/src/managers/playground.ts
index bd7a7e2b1..3665bccc4 100644
--- a/packages/backend/src/managers/playground.ts
+++ b/packages/backend/src/managers/playground.ts
@@ -206,7 +206,7 @@ export class PlayGroundManager {
       prompt: prompt,
     };
 
-    const client = new OpenAI({ baseURL: `http://localhost:${state.container.port}/v1` });
+    const client = new OpenAI({ baseURL: `http://localhost:${state.container.port}/v1`, apiKey: 'dummy' });
 
     const response = await client.completions.create({
       model: modelInfo.file,