diff --git a/scripts/install b/scripts/install
index 4c5efa4..d0c1566 100644
--- a/scripts/install
+++ b/scripts/install
@@ -24,7 +24,7 @@ ynh_abort_if_errors
 
 # Retrieve arguments
 domain=$YNH_APP_ARG_DOMAIN
-path=$YNH_APP_ARG_PATH
+path_url=$YNH_APP_ARG_PATH
 app=$YNH_APP_INSTANCE_NAME
 welcometext=$YNH_APP_ARG_WELCOMETEXT
 registerName=$YNH_APP_ARG_REGISTERNAME
@@ -72,6 +72,8 @@ yunohost firewall allow Both "$port"
 if [ "$mumbleweb" -eq 1 ] ; then
     port_web=$(ynh_find_port 64738)
     ynh_app_setting_set "$app" port_web "$port_web"
+    # Open port in firewall
+    yunohost firewall allow Both "$port_web"
 fi
 
 #=================================================
@@ -158,6 +160,8 @@ fi
 ynh_add_systemd_config
 
 if [ "$mumbleweb" -eq 1 ] ; then
+    ynh_replace_string "__PORT__"   "$port"    "../conf/mumble-web.service"
+    ynh_replace_string "__PORT_WEB__"   "$port_web"    "../conf/mumble-web.service"
 	ynh_add_systemd_config "$app-web" mumble-web.service
 fi
 
diff --git a/scripts/remove b/scripts/remove
index 234499b..de8e1fc 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -18,8 +18,9 @@ app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get "$app" domain)
 path=$(ynh_app_setting_get "$app" path)
 port=$(ynh_app_setting_get "$app" port)
+port_web=$(ynh_app_setting_get "$app" port_web)
+mumbleweb=$(ynh_app_setting_get "$app" mumbleweb)
 final_path=$(ynh_app_setting_get "$app" final_path)
-
 #=================================================
 # STANDARD REMOVE
 #=================================================
@@ -78,6 +79,14 @@ then
 	yunohost firewall disallow Both "$port" > /dev/null 2>&1
 fi
 
+if [ "$mumbleweb" -eq 1 ] ; then
+    if yunohost firewall list | grep -q "\- $port_web$"
+    then
+        echo "Close port $port_web"
+        yunohost firewall disallow Both "$port_web" > /dev/null 2>&1
+    fi
+fi
+
 #=================================================
 # SPECIFIC REMOVE
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 46fef48..3adcb12 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -202,6 +202,8 @@ ynh_script_progression --message="Upgrading systemd configuration..." --time --w
 ynh_add_systemd_config
 
 if [ "$mumbleweb" -eq 1 ] ; then
+    ynh_replace_string "__PORT__"   "$port"    "../conf/mumble-web.service"
+    ynh_replace_string "__PORT_WEB__"   "$port_web"    "../conf/mumble-web.service"
 	ynh_add_systemd_config "$app-web" mumble-web.service
 fi