diff --git a/scripts/backup b/scripts/backup
index 5389cd0..b54794c 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -70,6 +70,7 @@ ynh_backup --src_path="/etc/systemd/system/$app.service"
 ynh_backup --src_path="/etc/sudoers.d/$app"
 [[ ! -z "$mqtt_domain" ]] && ynh_backup --src_path="/etc/mosquitto/conf.d" --not_mandatory
 
+ynh_backup --src_path="/usr/share/yunohost/hooks/conf_regen/95-nginx_domoticz"
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/install b/scripts/install
index c9dea0d..5aacdcf 100755
--- a/scripts/install
+++ b/scripts/install
@@ -169,6 +169,7 @@ if [ ! -z "$mqtt_domain" ]; then
 	ynh_print_info --message="The credential to the mosquitto server has been saved in the settings of the app"
 fi
 
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -176,6 +177,10 @@ ynh_script_progression --message="Configuring NGINX web server..." --weight=2
 
 [[ ! -z "$mqtt_domain" ]] && ynh_add_config --template="../conf/mqtt_nginx.conf" --destination="/etc/nginx/conf.d/"$mqtt_domain".d/mqtt_"$app".conf"
 
+#Set Hook for nginx domain
+cp -R ../sources/hooks/conf_regen/95-nginx_domoticz /usr/share/yunohost/hooks/conf_regen/
+yunohost tools regen-conf nginx
+
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
diff --git a/scripts/remove b/scripts/remove
index 5de3cbe..ba5b4b6 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -76,6 +76,11 @@ ynh_secure_remove --file="$final_path"
 #=================================================
 ynh_script_progression --message="Removing NGINX web server configuration..."
 
+#remove hook for mqtt nginx
+ynh_secure_remove --file="/usr/share/yunohost/hooks/conf_regen/95-nginx_domoticz"
+yunohost tools regen-conf postfix
+
+
 # Remove the dedicated NGINX config
 [[ ! -z "$mqtt_domain" ]] && ynh_secure_remove --file="/etc/nginx/conf.d/"$mqtt_domain".d/mqtt_"$app".conf"
 
diff --git a/scripts/restore b/scripts/restore
index 0f94bd2..9054a91 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -151,6 +151,15 @@ chown -R domoticz: /var/log/"$app"
 ynh_restore_file --origin_path="/etc/logrotate.d/$app"
 [[ ! -z "$mqtt_domain" ]] && ynh_use_logrotate --logfile="/var/log/mosquitto/"
 
+#=================================================
+# RESTORE VARIOUS FILES
+#=================================================
+ynh_script_progression --message="Restoring various files..."
+
+ynh_restore_file --origin_path="/usr/share/yunohost/hooks/conf_regen/95-nginx_domoticz"
+yunohost tools regen-conf postfix
+
+
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index b1d55a8..58bc0ea 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -224,6 +224,9 @@ ynh_script_progression --message="Upgrading NGINX web server configuration..."
 
 [[ ! -z "$mqtt_domain" ]] && ynh_add_config --template="../conf/mqtt_nginx.conf" --destination="/etc/nginx/conf.d/"$mqtt_domain".d/mqtt_"$app".conf"
 
+#Set Hook for nginx domain
+cp -R ../sources/hooks/conf_regen/95-nginx_domoticz /usr/share/yunohost/hooks/conf_regen/
+yunohost tools regen-conf nginx
 
 # Create a dedicated NGINX config
 ynh_add_nginx_config
diff --git a/sources/hooks/conf_regen/95-nginx_domoticz b/sources/hooks/conf_regen/95-nginx_domoticz
new file mode 100644
index 0000000..72fb234
--- /dev/null
+++ b/sources/hooks/conf_regen/95-nginx_domoticz
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+action=$1
+pending_dir=$4
+nginx_conf=$pending_dir/../nginx/etc/nginx
+
+[[ $action == "pre" ]] || exit 0
+
+#Il ne peut y avoir qu'une seule instance de l'apps sur un système, donc pas à besoin de regarder quelle id utiliser
+mqtt_port=$(yunohost app setting domoticz mqtt_websocket_port)
+mqtt_domain=$(yunohost app setting domoticz mqtt_domain)
+domain=$(yunohost app setting domoticz domain)
+nginx_mqtt="$nginx_conf"/conf.d/"$mqtt_domain".conf
+
+[[ ! -z $mqtt_domain ]] || exit 0
+[[ -e $nginx_mqtt ]] || exit 0
+
+
+if [[ "$mqtt_domain" != "domain" ]]; then
+#single quote pour ne pas étendre les variables du fichier de config nginx et doubles quote pour les variables à étendre
+        sed -i '/map $http_upgrade $connection_upgrade {/i upstream '"${mqtt_domain}"' {\n  server localhost:'"${mqtt_port}"';\n}\n' $nginx_mqtt
+fi