diff --git a/code/video_loopback/Dockerfile b/code/video_loopback/Dockerfile
index 5e43dfb..684238e 100644
--- a/code/video_loopback/Dockerfile
+++ b/code/video_loopback/Dockerfile
@@ -1,3 +1,3 @@
 FROM alpine:latest
 RUN apk add --no-cache ffmpeg
-CMD ["ffmpeg","--video_size","640x480","-f","video4linux2","-i","/dev/video0","-codec","copy","-f","v4l2","/dev/video1","-codec","copy","-f","v4l2","/dev/video2", "-loglevel","warning"]
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+CMD ["ffmpeg","-video_size","640x480","-f","video4linux2","-i","/dev/video0","-codec","copy","-f","v4l2","/dev/video1","-codec","copy","-f","v4l2","/dev/video2", "-loglevel","warning"]
\ No newline at end of file