diff --git a/scripts/upgrade b/scripts/upgrade
index 74dd60d..6b0baed 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -343,4 +343,4 @@ ynh_systemd_action --action=reload --service_name=nginx
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Upgrade of $app completed"--last
+ynh_script_progression --message="Upgrade of $app completed" --last