diff --git a/scripts/_common.sh b/scripts/_common.sh
index 8f10e9a..989b54f 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -81,8 +81,14 @@ process_ips(){
                 if is_public_ip "$ip" && [ "$open_port_53" == "false" ] ; then
                     break
                 else
-                    processed_ips="$ip"
-                    break
+                    if [[ $is_install = true ]]; then
+                    # to get a dash before each IP
+                        processed_ips="- $ip"
+                        break
+                    else
+                        processed_ips="$ip"
+                        break
+                    fi
                 fi
             fi
     done
diff --git a/scripts/install b/scripts/install
index 3fb1995..7715119 100644
--- a/scripts/install
+++ b/scripts/install
@@ -84,12 +84,14 @@ ipv6_interface="$(get_network_interface 6)"
 # put the network interface in a dedicated dnsmasq config
 configure_network_interface_dnsmasq "$ipv4_interface" "$ipv6_interface"
 
-# get IPv4 for the AGH config file (with a starting "- ")
-ipv4_addr=$(echo "- " "$(process_ips "$(ip -4 address show "$ipv4_interface" 2> /dev/null | grep inet)")")
+# to warn process_ips that we're doing an installation (to get a dash before each IP)
+is_install=true
+# get IPv4 for the AGH config file
+ipv4_addr=$(process_ips "$(ip -4 address show "$ipv4_interface" 2> /dev/null | grep inet)")
 
-# get IPv6 for the AGH config file (with a starting "- ")
+# get IPv6 for the AGH config file
 # the 'sed' is used to get rid of the network prefix ('/64' for example)
-ipv6_addr=$(echo "- " "$(process_ips "$(ip -6 address show "$ipv6_interface" 2> /dev/null | grep inet | sed 's&/.*&&')")")
+ipv6_addr=$(process_ips "$(ip -6 address show "$ipv6_interface" 2> /dev/null | grep inet | sed 's&/.*&&')")
 
 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"