diff --git a/htdocs/core/class/commondocgenerator.class.php b/htdocs/core/class/commondocgenerator.class.php
index 2517e5f4709..9f3502c1836 100644
--- a/htdocs/core/class/commondocgenerator.class.php
+++ b/htdocs/core/class/commondocgenerator.class.php
@@ -1219,9 +1219,9 @@ abstract class CommonDocGenerator
 
         if(!empty($fields))
         {
-            uasort($fields, function($a, $b){
+            uasort($fields, function ($a, $b) {
                 return  ($a->rank > $b->rank) ? -1 : 1;
-                }
+			}
             );
 
             foreach ($fields as $field){