diff --git a/scripts/upgrade b/scripts/upgrade
index afba219..97bcc06 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -161,11 +161,12 @@ ynh_script_progression --message="Disabling maintenance mode..." --weight=6
 ynh_maintenance_mode_OFF
 
 #=================================================
-# UPGRADE JENKINS-CLI.PHAR
+# UPGRADE JENKINS-CLI.JAR
 #=================================================
-ynh_script_progression --message="Upgrading jenkins-cli.phar..."
+ynh_script_progression --message="Upgrading jenkins-cli.jar..."
 
-wget -nv --no-check-certificate https://$domain${path_url%/}/jnlpJars/jenkins-cli.jar -O /var/lib/jenkins/jenkins-cli.jar 2>&1
+wget -nv --no-check-certificate https://$domain${path_url%/}/jnlpJars/jenkins-cli.jar -O /var/lib/jenkins/jenkins-cli.jar.temp 2>&1
+cp -f /var/lib/jenkins/jenkins-cli.jar.temp /var/lib/jenkins/jenkins-cli.jar
 
 #=================================================
 # UPGRADE PLUGINS