diff --git a/conf/nginx.conf b/conf/nginx.conf
index 20e75b5..10ca335 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -29,5 +29,5 @@ location __PATH__/ {
 ### End of PHP configuration part
 
   # Include SSOWAT user panel.
-  #include conf.d/yunohost_panel.conf.inc;
+  include conf.d/yunohost_panel.conf.inc;
 }
diff --git a/scripts/_common.sh b/scripts/_common.sh
index fcfa442..37c9763 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -171,5 +171,5 @@ check_proc_zabbixagent(){
 install_zabbix_repo(){
     ynh_add_extra_apt_repos__3_path=$(find /var/cache/yunohost/ /etc/yunohost/apps/zabbix/ -name "ynh_add_extra_apt_repos__3" | tail -n 1)
     source "$ynh_add_extra_apt_repos__3_path"
-    ynh_install_extra_repo --repo="http://repo.zabbix.com/zabbix/4.2/debian $(lsb_release -sc) main" --key=https://repo.zabbix.com/zabbix-official-repo.key  --priority=999  --name=zabbix 
+    ynh_install_extra_repo --repo="http://repo.zabbix.com/zabbix/4.4/debian $(lsb_release -sc) main" --key=https://repo.zabbix.com/zabbix-official-repo.key  --priority=999  --name=zabbix
 }
\ No newline at end of file
diff --git a/scripts/install b/scripts/install
index 556c1f3..6c567f1 100644
--- a/scripts/install
+++ b/scripts/install
@@ -106,7 +106,6 @@ ynh_print_info "Update and install dependencies"
 #ynh_package_update no need cause ynh_install_app_dependencies after
 ynh_install_app_dependencies libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap liblua5.2-0 php7.0 php-bcmath php7.0-bcmath ttf-dejavu-core php7.0-bcmath patch smistrip unzip wget fping libcap2-bin libiksemel3 libopenipmi0 libpam-cap libsnmp-base libsnmp30 snmptrapd snmpd libjs-prototype jq zabbix-server-mysql zabbix-agent zabbix-frontend-php
 dpkg -i --force-confmiss /var/cache/apt/archives/zabbix-server-mysql*
-DEBIAN_FRONTEND=noninteractive apt-mark hold zabbix-server-mysql zabbix-frontend-php
 
 ynh_replace_string --match_string="# fr_FR.UTF-8 UTF-8" --replace_string="fr_FR.UTF-8 UTF-8" --target_file=/etc/locale.gen
 locale-gen
diff --git a/scripts/upgrade b/scripts/upgrade
index 3535742..33a2869 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -14,7 +14,8 @@ source /usr/share/yunohost/helpers
 #=================================================
 
 app=$YNH_APP_INSTANCE_NAME
-trustedversion="1:4.2.4-1+stretch"
+trustedversion="4.4-1+stretch"
+forceupdate=0
 export domain=$(ynh_app_setting_get "$app" domain)
 export path_url=$(ynh_app_setting_get "$app" path)
 #admin=$(ynh_app_setting_get "$app" admin) #not used
@@ -118,6 +119,14 @@ if [ "$(dpkg -l zabbix-release 2>/dev/null | wc -l)" -ne 0 ];then
     install_zabbix_repo
 fi
 
+#patch if zabbix-release has Candidate version but no Installed version
+if [ -f "/etc/apt/sources.list.d/zabbix.list" ];then
+    if [ "$(grep -c "4.2" /etc/apt/sources.list.d/zabbix.list)" -eq 1 ];then
+        install_zabbix_repo
+        forceupdate=1
+    fi
+fi
+
 #=================================================
 # STANDARD UPGRADE STEPS
 #=================================================
@@ -127,20 +136,10 @@ ynh_remove_logrotate
 ynh_print_info "Check if new zabbix version is available on repo"
 ynh_package_update
 
-zabbixServerInstalledVersion=$(apt-cache policy zabbix-server-mysql | sed -n '2p' | grep -Po ".*: \K(.*)")
-zabbixServerCandidateVersion=$(apt-cache policy zabbix-server-mysql | sed -n '3p' | grep -Po ".*: \K(.*)")
+zabbixReleaseInstalledVersion=$(apt-cache policy zabbix-release | sed -n '2p' | grep -Po ".* \K(.*)")
 
-zabbixFrontendInstalledVersion=$(apt-cache policy zabbix-frontend-php | sed -n '2p' | grep -Po ".*: \K(.*)")
-zabbixFrontendCandidateVersion=$(apt-cache policy zabbix-frontend-php | sed -n '3p' | grep -Po ".*: \K(.*)")
-
-zabbixagentInstalledVersion=$(apt-cache policy zabbix-agent | sed -n '2p' | grep -Po ".*: \K(.*)")
-zabbixagentCandidateVersion=$(apt-cache policy zabbix-agent | sed -n '3p' | grep -Po ".*: \K(.*)")
-
-if [ "$trustedversion" == "$zabbixServerCandidateVersion" ]
+if [[ "$trustedversion" > "$zabbixReleaseInstalledVersion" ]] || [[ "$forceupdate" == "1" ]]
 then
-
-	if [ "$zabbixServerInstalledVersion" != "$zabbixServerCandidateVersion" ] || [ "$zabbixFrontendInstalledVersion" != "$zabbixFrontendCandidateVersion" ] || [ "$zabbixagentInstalledVersion" != "$zabbixagentCandidateVersion" ] 
-	then
 	    #=================================================
 	    # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 	    #=================================================
@@ -149,21 +148,22 @@ then
 	    ynh_backup_before_upgrade
 	    ynh_clean_setup () {
 		# restore it if the upgrade fails
-		ynh_restore_upgradebackup
+		    ynh_restore_upgradebackup
 	    }
 	    # Exit if an error occurs during the execution of the script
 	    ynh_abort_if_errors
 	    
+	    yunohost service stop zabbix-server
+	    yunohost service stop zabbix-agent
+	    
 	    cp -rp /etc/zabbix /tmp/
 	    cp -p /usr/share/zabbix/conf/zabbix.conf.php /tmp/
 	    
 	    DEBIAN_FRONTEND=noninteractive apt-mark unhold zabbix-server-mysql zabbix-frontend-php
+	    ynh_package_remove zabbix-server-mysql zabbix-frontend-php
 
-        ynh_print_info "Update and install dependencies"
-        ynh_package_update
-        ynh_install_app_dependencies libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap liblua5.2-0 php7.0 php-bcmath php7.0-bcmath ttf-dejavu-core php7.0-bcmath patch smistrip unzip wget fping libcap2-bin libiksemel3 libopenipmi0 libpam-cap libsnmp-base libsnmp30 snmptrapd snmpd libjs-prototype jq zabbix-server-mysql zabbix-agent zabbix-frontend-php
-        DEBIAN_FRONTEND=noninteractive apt-mark hold zabbix-server-mysql zabbix-frontend-php
-
+        ynh_print_info "Update zabbix via apt package"
+        ynh_install_app_dependencies libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap liblua5.2-0 ttf-dejavu-core php7.0-bcmath patch smistrip unzip wget fping libcap2-bin libiksemel3 libopenipmi0 libpam-cap libsnmp-base libsnmp30 snmptrapd snmpd libjs-prototype jq zabbix-server-mysql zabbix-agent zabbix-frontend-php
 	    
 	    rm /usr/share/zabbix/conf/zabbix.conf.php
 	    cp -rpf /tmp/zabbix /etc/
@@ -176,17 +176,17 @@ then
         yunohost service add zabbix-server -d "Management Zabbix server daemon : Collect, agregate, compute and notify"
         yunohost service add zabbix-agent -d "Management Zabbix agent daemon : send informations about this host to the server"
 	    
+	    yunohost service start zabbix-server
+	    yunohost service start zabbix-agent
+	    
 	    #test if zabbix server is started
         check_proc_zabbixagent
         
         #test if zabbix agent is started
         check_proc_zabbixserver
 
-	else
-		ynh_print_info "No update from repo ! (Already up to date)"
-	fi
 else
-	ynh_print_info "No update from repo ! (Trusted version)"
+	ynh_print_info "No repo update ! (Trusted version)"
 fi
 
 #=================================================
@@ -202,5 +202,6 @@ else
     ynh_app_setting_set "$app" unprotected_uris "/"
 fi
 
+ynh_add_nginx_config
 systemctl reload nginx
 yunohost app ssowatconf