diff --git a/scripts/upgrade b/scripts/upgrade
index 2604c35..56331f3 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -24,6 +24,7 @@ db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
 db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
 random_key=$(ynh_app_setting_get --app=$app --key=random_key)
+phpversion=$YNH_PHP_VERSION
 
 registration=$(ynh_app_setting_get --app=$app --key=registration)