diff --git a/config_panel.toml b/config_panel.toml
index 1f1c069..cb9f4d2 100644
--- a/config_panel.toml
+++ b/config_panel.toml
@@ -2,7 +2,7 @@ version = "1.0"
 
 [main]
 name = "AdGuard Home configuration"
-help = "If any trouble or question, please refer to [the package's admin docs](https://github.com/YunoHost-Apps/adguardhome_ynh/blob/master/doc/ADMIN.md)!"
+help = "If any trouble or question, please refer to the admin documentation right below!"
 services = ["__APP__"]
 
 [main.options.open_port_53]
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 6cdfb30..91a78bb 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -76,7 +76,7 @@ process_ips(){
     for i in $(seq "$(echo "$ips" | wc -w)" -1 1); do
             ip=$(echo "$ips" | awk "{print \$$i}")
             # check if the so-called IP really is one
-            if [[ $(ynh_validate_ip4 --ip_address="$ip") || $(ynh_validate_ip6 --ip_address="$ip") ]] ; then
+            if [ "$(ynh_validate_ip4 --ip_address="$ip")" ] || [ "$(ynh_validate_ip6 --ip_address="$ip")" ] ; then
                 # don't process if the IP is public and the port 53 closed
                 if [ "$(is_public_ip "$ip")" == 0 ] && [ "$open_port_53" == "false" ] ; then
                     exit 1
@@ -92,6 +92,10 @@ process_ips(){
 update_agh_ip_config(){
 # used to update the IP adresses in the AGHconfig file
 
+if [ -z "${ipv4_addr:-}" ] && [ -z "${ipv6_addr:-}" ]; then
+    ynh_die --message="At leat one IP adress is required to run AdGuard Home. Please report this error."
+fi
+
 # use python's yaml and open the AGH config file
 python3 -c "import yaml
 with open(\"$install_dir/AdGuardHome.yaml\", 'r') as file: