diff --git a/scripts/upgrade b/scripts/upgrade
index 9a7b893..58655b0 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -23,6 +23,7 @@ final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
 db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
+datadir=$(ynh_app_setting_get --app=$app --key=datadir)
 
 #=================================================
 # CHECK VERSION