diff --git a/scripts/upgrade b/scripts/upgrade
index c413dab..a8155a4 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -79,7 +79,7 @@ if [[ $migration_process -eq 1 ]]; then
 	final_path="/var/www/$app"
 
     # Replace the user
-    pkill -u someuser
+    pkill -u $old_app
     ynh_system_user_delete $old_app
         ynh_system_user_create --username=$app --home_dir="$final_path"
 fi