diff --git a/server/systemd/room-camera.service b/server/systemd/room-camera.service
index 7bed644c..e74ab83d 100644
--- a/server/systemd/room-camera.service
+++ b/server/systemd/room-camera.service
@@ -12,7 +12,7 @@ ExecStart=/usr/bin/ffmpeg \
   -fflags nobuffer -thread_queue_size 256 -f v4l2 -input_format h264 -i /dev/video2 \
   -fflags nobuffer -thread_queue_size 256 -f alsa -ar 16000 -ac 2 -i hw:0,0 \
   -map 0:v:0 -map 1:a:0 \
-  -c:v libx264 -preset veryfast -b:v 600k -maxrate 700k -bufsize 1400k \
+  -c:v libx264 -preset ultrafast -tune zerolatency -b:v 600k -maxrate 700k -bufsize 1400k \
   -c:a libopus -b:a 64k -ar 16000 -ac 1 \
   -flush_packets 1 -f mpegts \
   srt://192.168.0.86:9000?streamid=#!::r=room/carpet,m=publish&latency=10&mode=caller&transtype=live&pkt_size=1316