diff --git a/htdocs/eventorganization/class/conferenceorbooth.class.php b/htdocs/eventorganization/class/conferenceorbooth.class.php
index 8de75d173b2..8a344835a55 100644
--- a/htdocs/eventorganization/class/conferenceorbooth.class.php
+++ b/htdocs/eventorganization/class/conferenceorbooth.class.php
@@ -69,7 +69,7 @@ class ConferenceOrBooth extends ActionComm
 	const STATUS_CONFIRMED = 2;
 	const STATUS_NOT_QUALIFIED = 3;
 	const STATUS_DONE = 4;
-	const STATUS_CANCELED = 5;
+	const STATUS_CANCELED = -1;
 
 
 	/**