diff --git a/scripts/upgrade b/scripts/upgrade
index 8a5bd1a..e3c9452 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -66,7 +66,7 @@ db_pass=$(ynh_app_setting_get $app mysqlpwd)
 if [ -z $db_pass]; then
 #c'est moche mais ça fera bien l'affaire - en deux lignes sinon pb en fonction du type de shell
   t=$(cat /var/www/$app/conf.php | grep DBPASS)
-  dbpass=${t:26:24}
+  db_pass=${t:26:24}
   ynh_app_setting_set $app mysqlpwd $db_pass
 fi