diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index 4f583a667f9..ec02f906e70 100755
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -669,7 +669,7 @@ class ExtraFields
      */
     function showOutputField($key,$value,$moreparam='')
     {
-		global $conf;
+		global $conf,$langs;
 
         $label=$this->attribute_label[$key];
         $type=$this->attribute_type[$key];