diff --git a/stream_v4l_device.sh b/stream_v4l_device.sh
index 0bab9f6..5b2babd 100755
--- a/stream_v4l_device.sh
+++ b/stream_v4l_device.sh
@@ -76,7 +76,7 @@ $
 ffmpeg \
 -loglevel level \
 -y \
--f v4l2 -framerate 25 -video_size ${RESOLUTION} -i /dev/video${V4LDEVICE} \
+-f v4l2 -framerate 24 -video_size ${RESOLUTION} -input_format mjpeg -i /dev/video${V4LDEVICE} \
 -f alsa -ac 2 -i hw:CARD=CAMERA,DEV=${V4LDEVICE} \
 -channel_layout stereo \
 -ar 48000 \
@@ -84,6 +84,7 @@ ffmpeg \
 -filter_complex "[1:a]volume=-10dB;[0:v]scale='size=${RESOLUTION}',drawtext='font=DejaVuSansMono:text=%{pts}: fontcolor=white: fontsize=h/7: box=1: boxcolor=black@0.73: boxborderw=5: x=mod(floor(t/10+1)\,2)*mod(t*(w-text_w)/10\,w-text_w)+mod(floor(t/10)\,2)*(w-text_w-mod(t*(w-text_w)/10\,w-text_w)): y=h/2-3*text_h/2', drawtext='font=DejaVuSansMono:text=%{localtime}: fontcolor=white: fontsize=h/7: box=1: boxcolor=black@0.73: boxborderw=5: x=(w-text_w)/2: y=h/2+3*text_h/2'" \
 -codec:v libx264 \
 -preset superfast \
+-pix_fmt yuv420p \
 -x264opts nal-hrd=cbr:force-cfr=1:vbv-bufsize=${BUFFERSIZE}:bitrate=${VBITRATE}:vbv-maxrate=${VBITRATE} \
 -c:a aac -b:a ${ABITRATE}k \
 -g 1 -segment_format_options movflags=+frag_keyframe+empty_moov+default_base_moof -segment_time 5 -f segment \