diff --git a/scripts/install b/scripts/install
index 618c69a..63e226d 100644
--- a/scripts/install
+++ b/scripts/install
@@ -125,7 +125,7 @@ ynh_print_info --message="Configuring system user..."
 ynh_system_user_create --username=$app
 
 #=================================================
-## Copy and fix variable into lstu config
+# Copy and fix variable into lstu config
 #=================================================
 ynh_print_info --message="Configuring lstu..."
 
diff --git a/scripts/remove b/scripts/remove
index c5d7b72..e46d36b 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -50,7 +50,7 @@ ynh_remove_systemd_config
 ynh_print_info --message="Removing the PostgreSQL database..."
 
 # Remove a database if it exists, along with the associated user
-ynh_psql_remove_db --db_name=$db_name --db_user=$db_user
+ynh_psql_remove_db --db_user=$db_user --db_name=$db_name
 
 #=================================================
 # REMOVE DEPENDENCIES
diff --git a/scripts/upgrade b/scripts/upgrade
index 6c109c5..2d389b6 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -56,28 +56,28 @@ if [ -z "$final_path" ]; then
 fi
 
 if [ -z "$db_pwd" ]; then
-	db_pwd=$(ynh_app_setting_get $app db_pwd)	# Fix old db_pwd
+	db_pwd=$(ynh_app_setting_get --app=$app --key=db_pwd)	# Fix old db_pwd
 	if [ -z "$db_pwd" ]; then
-		db_name=$(ynh_sanitize_dbid "$app")
+		db_name=$(ynh_sanitize_dbid --db_name="$app")
 		db_user=$db_name
 		# Initialize database and store postgres password for upgrade
-		ynh_psql_setup_db "$db_name" "$db_user"
-		ynh_app_setting_set "$app" db_name "$db_name"
-		db_pwd=$(ynh_app_setting_get $app psqlpwd) # Password created in ynh_psql_setup_db function
+		ynh_psql_setup_db --db_user="$db_user" --db_name="$db_name"
+		ynh_app_setting_set --app="$app" --key=db_name --value="$db_name"
+		db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd) # Password created in ynh_psql_setup_db function
 	else
-		ynh_app_setting_delete $app db_pwd
-		ynh_app_setting_set $app psqlpwd $db_pwd
+		ynh_app_setting_delete --app=$app --key=db_pwd
+		ynh_app_setting_set --app=$app --key=psqlpwd --value=$db_pwd
 	fi
 fi
 
 if [ -z "$theme" ]; then
 	theme="milligram"
-	ynh_app_setting_set $app theme $theme
+	ynh_app_setting_set --app=$app --key=theme --value=$theme
 fi
 
 if [ -z "$hashed_password" ]; then
 	# Generate random password
-	password=$(ynh_string_random 8)
+	password=$(ynh_string_random --length=8)
 	hashed_password=$(echo -n $password | sha256sum | cut -d' ' -f1)
 
 	echo "The new version of LSTU provide an admin and a stats area which required a password." > mail_to_send
@@ -86,7 +86,7 @@ if [ -z "$hashed_password" ]; then
 
 	ynh_send_readme_to_admin --app_message="mail_to_send" --type="upgrade"
 	
-	ynh_app_setting_set $app hashed_password $hashed_password
+	ynh_app_setting_set --app=$app --key=hashed_password --value=$hashed_password
 fi
 
 #=================================================
@@ -233,7 +233,7 @@ fi
 #=================================================
 ynh_print_info --message="Starting a systemd service..."
 
-ynh_systemd_action -n $app -a reload -l "Reloaded Shortened URLs service." -p "systemd"
+ynh_systemd_action --service_name=$app --action=reload --line_match="Reloaded Shortened URLs service." --log_path="systemd"
 
 #=================================================
 # RELOAD NGINX