diff --git a/htdocs/eventorganization/lib/eventorganization_conferenceorbooth.lib.php b/htdocs/eventorganization/lib/eventorganization_conferenceorbooth.lib.php
index 3951cc25df7..6c28b7243cb 100644
--- a/htdocs/eventorganization/lib/eventorganization_conferenceorbooth.lib.php
+++ b/htdocs/eventorganization/lib/eventorganization_conferenceorbooth.lib.php
@@ -42,7 +42,7 @@ function conferenceorboothPrepareHead($object, $with_project = 0)
 		$withProjectUrl = "&withproject=1";
 	}
 
-	$head[$h][0] = DOL_URL_ROOT.'/eventorganization/conferenceorbooth_card.ph?id='.$object->id.$withProjectUrl;
+	$head[$h][0] = DOL_URL_ROOT.'/eventorganization/conferenceorbooth_card.php?id='.$object->id.$withProjectUrl;
 	$head[$h][1] = $langs->trans("Card");
 	$head[$h][2] = 'card';
 	$h++;