diff --git a/htdocs/filefunc.inc.php b/htdocs/filefunc.inc.php
index 2b208660b52944cf90acb91ac113a5e34a944dd9..4a28e5c0ae4988f65de083ea776b6db543387ddf 100755
--- a/htdocs/filefunc.inc.php
+++ b/htdocs/filefunc.inc.php
@@ -82,6 +82,7 @@ if (! empty($dolibarr_strict_mode))
 }
 else
 {
+	if (! defined('E_DEPRECATED')) define('E_DEPRECATED',0);	// For PHP < 5.3.0 compatibility
 	error_reporting(E_ALL & ~(E_STRICT|E_NOTICE|E_DEPRECATED));
 }