diff --git a/check_process b/check_process
index 6a85be0..d97cd59 100644
--- a/check_process
+++ b/check_process
@@ -15,7 +15,7 @@
 		multi_instance=1
 		incorrect_path=1
 		port_already_use=1
-		change_url=0
+		change_url=1
 ;;; Levels
 	Level 1=auto
 	Level 2=auto
diff --git a/conf/.env b/conf/.env
index 3a664d8..dbf037d 100644
--- a/conf/.env
+++ b/conf/.env
@@ -14,7 +14,7 @@ MONGO_URL=mongodb://127.0.0.1:27017/__DB_NAME__
 ROOT_URL=https://__DOMAIN_URI__
 
 # Mail URL
-MAIL_URL='smtp://localhost:25/'
+MAIL_URL=smtp://localhost
 
 # This is local port where Wekan Node.js runs
 PORT=__PORT__
diff --git a/conf/systemd.service b/conf/systemd.service
index 5abbcbf..9fbf394 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -9,7 +9,7 @@ User=__APP__
 Group=__APP__
 EnvironmentFile=__FINALPATH__/.env
 WorkingDirectory=__FINALPATH__
-ExecStart=/opt/node_n/bin/node __FINALPATH__/main.js
+ExecStart=__NODEJS_PATH__/node __FINALPATH__/main.js
 Restart=on-failure
 #StartLimitInterval=86400
 #StartLimitBurst=5
diff --git a/scripts/change_url b/scripts/change_url
new file mode 100644
index 0000000..453358f
--- /dev/null
+++ b/scripts/change_url
@@ -0,0 +1,121 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC STARTING
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+source _common.sh
+source ynh_systemd_action
+source /usr/share/yunohost/helpers
+
+#=================================================
+# RETRIEVE ARGUMENTS
+#=================================================
+
+old_domain=$YNH_APP_OLD_DOMAIN
+old_path=$YNH_APP_OLD_PATH
+
+new_domain=$YNH_APP_NEW_DOMAIN
+new_path=$YNH_APP_NEW_PATH
+
+app=$YNH_APP_INSTANCE_NAME
+
+#=================================================
+# LOAD SETTINGS
+#=================================================
+ynh_print_info "Loading installation settings..."
+
+# Needed for helper "ynh_add_nginx_config"
+final_path=$(ynh_app_setting_get $app final_path)
+
+# Add settings here as needed by your application
+#db_name=$(ynh_app_setting_get "$app" db_name)
+#db_pwd=$(ynh_app_setting_get $app db_pwd)
+
+#=================================================
+# CHECK THE SYNTAX OF THE PATHS
+#=================================================
+
+test -n "$old_path" || old_path="/"
+test -n "$new_path" || new_path="/"
+new_path=$(ynh_normalize_url_path $new_path)
+old_path=$(ynh_normalize_url_path $old_path)
+
+#=================================================
+# CHECK WHICH PARTS SHOULD BE CHANGED
+#=================================================
+
+change_domain=0
+if [ "$old_domain" != "$new_domain" ]
+then
+	change_domain=1
+fi
+
+change_path=0
+if [ "$old_path" != "$new_path" ]
+then
+	change_path=1
+fi
+
+#=================================================
+# STANDARD MODIFICATIONS
+#=================================================
+# MODIFY URL IN NGINX CONF
+#=================================================
+ynh_print_info "Updating nginx web server configuration..."
+
+nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
+
+# Change the path in the nginx config file
+if [ $change_path -eq 1 ]
+then
+	# Make a backup of the original nginx config file if modified
+	ynh_backup_if_checksum_is_different "$nginx_conf_path"
+	# Set global variables for nginx helper
+	domain="$old_domain"
+	path_url="$new_path"
+	# Create a dedicated nginx config
+	ynh_add_nginx_config
+fi
+
+# Change the domain for nginx
+if [ $change_domain -eq 1 ]
+then
+	# Delete file checksum for the old conf file location
+	ynh_delete_file_checksum "$nginx_conf_path"
+	mv $nginx_conf_path /etc/nginx/conf.d/$new_domain.d/$app.conf
+	# Store file checksum for the new config file location
+	ynh_store_file_checksum "/etc/nginx/conf.d/$new_domain.d/$app.conf"
+fi
+
+#=================================================
+# SPECIFIC MODIFICATIONS
+#=================================================
+# MODIFY URL IN .ENV
+#=================================================
+ynh_print_info "Updating .env configuration..."
+
+ynh_systemd_action --action=stop --service_name=$app --log_path="systemd"
+ynh_replace_string "__NODEJS_PATH__" "$nodejs_path" "$final_path/.env"
+ynh_replace_string "__DB_NAME__" "$db_name" "$final_path/.env"
+ynh_replace_string "__DOMAIN_URI__" "$new_domain$new_path" "$final_path/.env"
+ynh_replace_string "__PORT__" "$port" "$final_path/.env"
+ynh_systemd_action --action=start --service_name=$app --log_path="systemd" --line_match="Finishing add-custom-html-before-body-end migration"
+sleep 10
+
+#=================================================
+# GENERIC FINALISATION
+#=================================================
+# RELOAD NGINX
+#=================================================
+ynh_print_info "Reloading nginx web server..."
+
+systemctl reload nginx
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_print_info "Change of URL completed for $app"
diff --git a/scripts/install b/scripts/install
index 972a8a2..d08fd8f 100755
--- a/scripts/install
+++ b/scripts/install
@@ -189,6 +189,7 @@ ynh_print_info "Configuring a systemd service..."
 ###		- And the section "SETUP SYSTEMD" in the upgrade script
 
 # Create a dedicated systemd config
+ynh_replace_string "__NODEJS_PATH__" "$nodejs_path" "../conf/systemd.service"
 ynh_add_systemd_config
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 89329c1..067e9b3 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -72,6 +72,7 @@ if ynh_version_gt "0.77-2" "${previous_version}" ; then
     ynh_install_nodejs 8.15.1
     ynh_use_nodejs
     # Create a dedicated systemd config
+    ynh_replace_string "__NODEJS_PATH__" "$nodejs_path" "../conf/systemd.service"
     ynh_add_systemd_config
     # Create a dedicated .env config
     ynh_backup_if_checksum_is_different "$final_path/.env"