diff --git a/scripts/change_url b/scripts/change_url
index 491a08c..92feab0 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -39,6 +39,7 @@ ynh_script_progression --message="Backing up the app before changing its URL (ma
 # Backup the current version of the app
 ynh_backup_before_upgrade
 ynh_clean_setup () {
+	ynh_clean_check_starting
 	# Remove the new domain config file, the remove script won't do it as it doesn't know yet its location.
 	ynh_secure_remove --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
 
@@ -109,28 +110,8 @@ fi
 #=================================================
 ynh_script_progression --message="Updating Jenkins setup..."
 
-ynh_backup_if_checksum_is_different --file="/etc/default/jenkins"
-
-if [ $change_path -eq 1 ]
-then
-	# Add the path, in case of sub-path installation, into jenkins' boot options
-
-	# Change to root
-	if [ "$new_path" == "/" ]
-	then
-		sed -i "s@--prefix=$old_path@@g" /etc/default/jenkins
-	# Change to a sub path
-	else
-		if ! grep --quiet "prefix=$old_path" /etc/default/jenkins
-		then
-			sed -i "$ s@--httpPort=\$HTTP_PORT@& --prefix=$new_path@g" /etc/default/jenkins
-		else
-			sed -i "s@--prefix=$old_path@--prefix=$new_path@g" /etc/default/jenkins
-		fi
-	fi
-fi
-
-ynh_store_file_checksum --file="/etc/default/jenkins"
+ynh_replace_string --match_string="Environment=\"JENKINS_PREFIX=$old_path\"" --replace_string="Environment=\"JENKINS_PREFIX=$new_path\"" --target_file="/lib/systemd/system/jenkins.service"
+systemctl daemon-reload --quiet
 
 #=================================================
 # GENERIC FINALISATION