diff --git a/include/class_anticipation.php b/include/class_anticipation.php
index 775977995..3d9bd6845 100644
--- a/include/class_anticipation.php
+++ b/include/class_anticipation.php
@@ -194,6 +194,7 @@ class Anticipation
      */
     private function form_cat_mod()
     {
+        global $g_user;
         $a=new Forecast($this->cn,$this->f_id);
         $a->load();
         $name=new IText('an_name');