diff --git a/packages/cdk/lambda/startTranscription.ts b/packages/cdk/lambda/startTranscription.ts
index 4ac3a5eb..59cf1421 100644
--- a/packages/cdk/lambda/startTranscription.ts
+++ b/packages/cdk/lambda/startTranscription.ts
@@ -14,7 +14,7 @@ export const handler = async (
     const req: StartTranscriptionRequest = JSON.parse(event.body!);
     const userId = event.requestContext.authorizer!.claims.sub;
 
-    const { audioUrl, mediaFormat } = req;
+    const { audioUrl } = req;
 
     const uuid = uuidv4();
 
diff --git a/packages/web/src/hooks/useTranscribe.ts b/packages/web/src/hooks/useTranscribe.ts
index 7cbcd1a7..0f32a20c 100644
--- a/packages/web/src/hooks/useTranscribe.ts
+++ b/packages/web/src/hooks/useTranscribe.ts
@@ -54,7 +54,7 @@ const useTranscribeState = create<{
 
     // 音声認識
     const startTranscripitonRes = await api.startTranscripiton({
-      audioUrl: audioUrl
+      audioUrl: audioUrl,
     });
 
     set(() => ({