diff --git a/check_process b/check_process
index b3002dc..5ae8b13 100644
--- a/check_process
+++ b/check_process
@@ -8,9 +8,7 @@
         domain="domain.tld"
         path="/SOGo"
         admin="john"
-        language="French"
         is_public=1
-        port="20000"
     ; Checks
         pkg_linter=1
         setup_sub_dir=1
diff --git a/scripts/install b/scripts/install
index 781dfb5..cffd8d4 100755
--- a/scripts/install
+++ b/scripts/install
@@ -58,10 +58,10 @@ ynh_app_setting_set --app=$app --key=is_public --value=$is_public
 #=================================================
 ynh_script_progression --message="Finding an available port..." --weight=1
 
-port=$(ynh_find_port --port 20000)
+port=$(ynh_find_port --port=20000)
 ynh_app_setting_set --app=$app --key=web_port --value=$port
 
-smtp_port=$(ynh_find_port --port $((port+1)))
+smtp_port=$(ynh_find_port --port=$((port+1)))
 ynh_app_setting_set --app=$app --key=smtp_port --value=$smtp_port
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 61be0dd..74f1398 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -68,41 +68,27 @@ if [[ -z $port ]]
 then
     # Find a port for SOGo
     port=$(ynh_find_port --port 20000)
-    ynh_app_setting_set --app $app --key web_port --value $port
+    ynh_app_setting_set --app=$app --key=web_port --value=$port
 fi
 
 if [[ -z $db_name ]]
 then
     db_name=$app
-    ynh_app_setting_set --app $app --key db_name --value $db_name
+    ynh_app_setting_set --app=$app --key=db_name --value=$db_name
 fi
 
 if [[ -z $db_user ]]
 then
     db_user=$app
-    ynh_app_setting_set --app $app --key db_user --value $db_user
-fi
-
-# Manage migration form SOGo 3.x to SOGo 4.x (Debian stretch -> Buster)
-ynh_script_progression --message="Migrating database if needed..."
-
-# FIXME use the new way to manage version when available on the core
-app_previous_version="$(jq -r .version /etc/yunohost/apps/$app/manifest.json | cut -d~ -f1)"
-if [[ "$app_previous_version" == 3.2.* ]]; then
-    ynh_replace_string --match_string __APP__ --replace_string $app --target_file migrations/3.2-4.0.sh
-    ynh_replace_string --match_string __DBUSER__ --replace_string $db_user --target_file migrations/3.2-4.0.sh
-    ynh_replace_string --match_string __DBPASS__ --replace_string $db_pwd --target_file migrations/3.2-4.0.sh
-    bash migrations/3.2-4.0.sh
+    ynh_app_setting_set --app=$app --key=db_user --value=$db_user
 fi
 
 #=================================================
 # STANDARD MODIFICATIONS
-#=================================================
-
 #=================================================
 # UPGRADE DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Upgrading dependencies..." --time --weight=1
+ynh_script_progression --message="Upgrading dependencies..." --weight=1
 
 ynh_install_app_dependencies $pkg_dependencies