diff --git a/ha_addon_dev/rootfs/run.sh b/ha_addon_dev/rootfs/run.sh
index 4e42950..f146a70 100755
--- a/ha_addon_dev/rootfs/run.sh
+++ b/ha_addon_dev/rootfs/run.sh
@@ -30,4 +30,4 @@ cd /home/proxy || exit
 export VERSION=$(cat /proxy-version.txt)
 
 echo "Start Proxyserver..."
-python3 server.py --json_config=/data/options.json  --log_path=/homeassistant/tsun-proxy/logs/ --config_path=/homeassistant/tsun-proxy/ --log_backups=2
+python3 server.py --rel_urls=True --json_config=/data/options.json  --log_path=/homeassistant/tsun-proxy/logs/ --config_path=/homeassistant/tsun-proxy/ --log_backups=2