diff --git a/htdocs/eventorganization/conferenceorboothattendee_list.php b/htdocs/eventorganization/conferenceorboothattendee_list.php
index 57ff9d23bd1..a6ea42da346 100644
--- a/htdocs/eventorganization/conferenceorboothattendee_list.php
+++ b/htdocs/eventorganization/conferenceorboothattendee_list.php
@@ -57,7 +57,7 @@ $id = GETPOST('id', 'int');
 $conf_or_booth_id = GETPOST('conforboothid', 'int');
 
 $withproject = GETPOST('withproject', 'int');
-$fk_project = GETPOST('fk_project', 'int') ? GETPOST('fk_project', 'int') : GETPOST('projectid', 'int') ;
+$fk_project = GETPOST('fk_project', 'int') ? GETPOST('fk_project', 'int') : GETPOST('projectid', 'int');
 
 $withProjectUrl='';