diff --git a/app/Config/Constants.php b/app/Config/Constants.php
index 47b92f832935..259feae991fc 100644
--- a/app/Config/Constants.php
+++ b/app/Config/Constants.php
@@ -38,9 +38,9 @@
 defined('HOUR')   || define('HOUR', 3600);
 defined('DAY')    || define('DAY', 86400);
 defined('WEEK')   || define('WEEK', 604800);
-defined('MONTH')  || define('MONTH', 2_592_000);
-defined('YEAR')   || define('YEAR', 31_536_000);
-defined('DECADE') || define('DECADE', 315_360_000);
+defined('MONTH')  || define('MONTH', 2592000);
+defined('YEAR')   || define('YEAR', 31536000);
+defined('DECADE') || define('DECADE', 315360000);
 
 /*
  | --------------------------------------------------------------------------