diff --git a/script.sh b/script.sh
index 0459faf..5816a61 100644
--- a/script.sh
+++ b/script.sh
@@ -4,10 +4,13 @@ set -x
 
 RELEASE=19.07.6
 
-wget -c https://downloads.openwrt.org/releases/$RELEASE/targets/ath79/generic/openwrt-imagebuilder-$RELEASE-ath79-generic.Linux-x86_64.tar.xz
-tar xvf openwrt-imagebuilder-$RELEASE-ath79-generic.Linux-x86_64.tar.xz
+if [ ! -f openwrt-imagebuilder-ath79-generic.Linux-x86_64.tar.xz ]; then
+  echo "ERROR: tarball does not exist, terminating"
+  exit 1
+fi
 
-cd openwrt-imagebuilder-$RELEASE-ath79-generic.Linux-x86_64
+tar xvf openwrt-imagebuilder-ath79-generic.Linux-x86_64.tar.xz
+cd openwrt-imagebuilder-ath79-generic.Linux-x86_64
 
 mkdir -p overlay/etc/uci-defaults
 
@@ -91,6 +94,6 @@ sed -i 's|^root::|root:$1$Ji4oV3An$2h4IhUFWhheefdaWEW.vg/:|' /etc/shadow
 EOF
 
 # Make image
-make image PROFILE=glinet_gl-ar150 FILES=overlay/ PACKAGES="curl htop nano mjpg-streamer kmod-video-uvc \
+make image PROFILE=glinet_gl-ar150 FILES=overlay/ PACKAGES="gst1-mod-tcp gst1-mod-rtp gst1-mod-gdp gst1-mod-alsa gst1-mod-udp gst1-mod-video4linux2 gstreamer1-utils curl htop nano mjpg-streamer kmod-video-uvc \
     v4l-utils tcpdump -odhcp6c -odhcpd -dnsmasq -pppd -luci-proto-ppp -kmod-ppp -ppp -ppp-mod-pppoe \
     -kmod-ath -kmod-ath9k-common -kmod-ath9k -kmod-ip6tables -ip6tables -luci-proto-ipv6 -kmod-iptunnel6 -kmod-ipsec6 -luci"