diff --git a/classes/php-gettext/gettext.inc b/classes/php-gettext/gettext.inc
index eb94b256a6b..714fa7fc058 100644
--- a/classes/php-gettext/gettext.inc
+++ b/classes/php-gettext/gettext.inc
@@ -37,6 +37,11 @@ require('gettext.php');
 
 // Variables
 
+if (!defined("LC_MESSAGES"))
+{
+  define("LC_MESSAGES",5);
+}
+
 global $text_domains, $default_domain, $LC_CATEGORIES, $EMULATEGETTEXT, $CURRENTLOCALE;
 $text_domains = array();
 $default_domain = 'messages';
@@ -315,4 +320,4 @@ if (!function_exists('gettext')) {
 	}
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/common.php b/common.php
index 2843f22f24f..c25b3e3db11 100644
--- a/common.php
+++ b/common.php
@@ -49,7 +49,7 @@
 ##################################################################################
 
 require_once (dirname(__FILE__).'/classes/phpmailer/class.phpmailer.php');
-require_once (dirname(__FILE__).'/classes/php-gettext/gettext.php');
+require_once (dirname(__FILE__).'/classes/php-gettext/gettext.inc');
 require_once (dirname(__FILE__).'/classes/core/surveytranslator.php');