diff --git a/cameras.sh b/cameras.sh
index 5863cac..2eeefe4 100755
--- a/cameras.sh
+++ b/cameras.sh
@@ -52,7 +52,7 @@ write_camera() {
     if [ -n "$BYIDCAM" ] && [ -z "$CAM" ] && [ -z "$TEMPUSBCAM" ]; then
         CAMDEVICE=$BYIDCAM
     else
-        CAMDEVICE=cam${INUM}_$INSTANCE
+        CAMDEVICE=/dev/cam${INUM}_$INSTANCE
     fi
     OUTFILE=cam${INUM}_$INSTANCE
     #mjpg-streamer
diff --git a/octocam_ustream.service b/octocam_ustream.service
index 959c260..02f6df4 100644
--- a/octocam_ustream.service
+++ b/octocam_ustream.service
@@ -6,7 +6,7 @@ Wants=network.online.target
 [Service]
 EnvironmentFile=/etc/OCTOCAM.env
 User=OCTOUSER
-ExecStart=/home/OCTOUSER/ustreamer/ustreamer -d /dev/${DEVICE} -s 0.0.0.0 -m MJPEG -r ${RES} -f ${FRAMERATE} -p ${PORT} --device-timeout 8 --device-error-delay 8
+ExecStart=/home/OCTOUSER/ustreamer/ustreamer -d ${DEVICE} -s 0.0.0.0 -m MJPEG -r ${RES} -f ${FRAMERATE} -p ${PORT} --device-timeout 8 --device-error-delay 8
 
 [Install]
 WantedBy=multi-user.target