diff --git a/apps/media/src/sfu/sfu.service.ts b/apps/media/src/sfu/sfu.service.ts
index 0fb1e71d..cc1fbcb1 100644
--- a/apps/media/src/sfu/sfu.service.ts
+++ b/apps/media/src/sfu/sfu.service.ts
@@ -35,6 +35,7 @@ export class SfuService {
   async createRoom(clientId: string, user: User) {
     const room = await this.roomService.createRoom();
 
+    console.log(`${room.id}'s default Thumbnail Setting....`);
     await this.recordClient.post('/thumbnail', { roomId: room.id });
 
     const thumbnail = `${this.configService.get('PUBLIC_RECORD_SERVER_URL')}/statics/thumbnails/${room.id}.jpg`;
diff --git a/apps/record/Dockerfile b/apps/record/Dockerfile
index b6eb4d6a..ad04427d 100644
--- a/apps/record/Dockerfile
+++ b/apps/record/Dockerfile
@@ -10,8 +10,8 @@ WORKDIR /app
 
 RUN mkdir -p /app/assets/records /app/assets/thumbnails && chmod -R 777 /app/assets
 
-COPY ./apps/record/public/default-thumbnail.jpg /app/assets/default-thumbnail.jpg
-RUN chmod 644 /app/assets/default-thumbnail.jpg
+COPY ./apps/record/public/default-thumbnail.jpg /app/apps/record/assets/default-thumbnail.jpg
+RUN chmod 644 /app/apps/record/assets/default-thumbnail.jpg
 
 # Environment variables
 ARG RECORD_PORT
diff --git a/apps/record/src/ffmpeg.ts b/apps/record/src/ffmpeg.ts
index b66f3799..ce8fa8ce 100644
--- a/apps/record/src/ffmpeg.ts
+++ b/apps/record/src/ffmpeg.ts
@@ -89,7 +89,7 @@ const thumbnailArgs = (dirPath: string, roomId: string) => {
     '-vf',
     'fps=1/10,scale=1280:720', // 10초마다 한 프레임을 캡처하고 해상도 조정
     '-update',
-    '1', // 같은 파일에 덮어쓰기 활성화
+    '-y', // 같은 파일에 덮어쓰기 활성화
     `${dirPath}/thumbnails/${roomId}.jpg`, // 덮어쓸 출력 파일 이름
   ];
   return commandArgs;