diff --git a/scripts/upgrade b/scripts/upgrade
index 748671c..0699122 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -170,6 +170,19 @@ ynh_add_systemd_config
 pushd $final_path
 # Migrate from SQLite to PostgreSQL
 if [ $need_migration_from_sqlite_to_psql -eq 1 ]; then
+	# Preinstall with sqlite
+	carton install --deployment --without=mysql --without=htpasswd --without=test
+
+	# if /var/log/$app/production.log is a symbolic link, then move it to $final_path/log/production.log
+	if [ ! -L "/var/log/$app/production.log" ]
+	then
+		mv "/var/log/$app/production.log" "$final_path/log/production.log"
+		chown -R $app: "$final_path/log/production.log"
+	fi
+
+	# Restart with news parameters
+	ynh_systemd_action -n $app -a restart -l "Creating process id file" -p "$final_path/log/production.log"
+
 	carton exec script/lufi sqliteToOtherDB
 fi