diff --git a/scripts/_common.sh b/scripts/_common.sh
index 1254d74..965f608 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -60,7 +60,6 @@ process_ips(){
 # used to process the IPs to put in the AGH's config file
 
     local ips="$1"
-    if [ "$2" == "install" ]; then local install=true; fi
 
     for i in $(seq "$(echo "$ips" | wc -w)" -1 1); do
             ip=$(echo "$ips" | awk "{print \$$i}")
@@ -70,14 +69,8 @@ process_ips(){
                 if is_public_ip "$ip" && [ "$open_port_53" == "false" ] ; then
                     break
                 else
-                    # special case for installation, as a dash is required before an IP
-                    if $install; then
-                        ips="- $ip"
-                        break
-                    else
-                        ips="$ip"
-                        break
-                    fi
+                    ips="$ip"
+                    break
                 fi
             fi
     done
diff --git a/scripts/install b/scripts/install
index 0a56e8e..aed5703 100644
--- a/scripts/install
+++ b/scripts/install
@@ -80,11 +80,11 @@ ynh_script_progression --message="Adding a configuration file..." --weight=1
 # put the network interface in a dedicated dnsmasq config
 configure_network_interface_dnsmasq
 
-# get IPv4 for the AGH config file (special argument "install" at the end to get a starting "- " by IP)
-ipv4_addr=$(echo "- " "$(process_ips "$(ip -4 route get 1.2.3.4 2> /dev/null | head -n1 | head -n1)" install)")
+# get IPv4 for the AGH config file (with a starting "- ")
+ipv4_addr=$(echo "- " "$(process_ips "$(ip -4 route get 1.2.3.4 2> /dev/null | head -n1 | head -n1)")")
 
-# get IPv6 for the AGH config file  (special argument "install" at the end to get a starting "- " by IP)
-ipv6_addr=$(echo "- " "$(process_ips "$(ip -6 route get ::1.2.3.4 2> /dev/null | head -n1)" install)")
+# get IPv6 for the AGH config file (with a starting "- ")
+ipv6_addr=$(echo "- " "$(process_ips "$(ip -6 route get ::1.2.3.4 2> /dev/null | head -n1)")")
 
 password=$(python3 -c "import bcrypt; print(bcrypt.hashpw(b\"$password\", bcrypt.gensalt(rounds=10)).decode())")
 ynh_app_setting_set --app="$app" --key=password --value="$password"