diff --git a/app/conference_centers/resources/classes/conference_centers.php b/app/conference_centers/resources/classes/conference_centers.php
index 8276d3ecac..8b275b7f32 100644
--- a/app/conference_centers/resources/classes/conference_centers.php
+++ b/app/conference_centers/resources/classes/conference_centers.php
@@ -89,7 +89,7 @@ if (!class_exists('conference_centers')) {
 				}
 				$sql = "select count(*) from v_conference_rooms as r, v_meetings as p ";
 				if ($not_admin) {
-					$sql .= "v_meeting_users as u, ";
+					$sql .= ",v_meeting_users as u, ";
 				}
 				$sql .= "where r.domain_uuid = :domain_uuid ";
 				$sql .= "and r.meeting_uuid = p.meeting_uuid ";