diff --git a/calendar/inc/class.calendar_uiforms.inc.php b/calendar/inc/class.calendar_uiforms.inc.php
index 6a0183c909..7cda395e05 100644
--- a/calendar/inc/class.calendar_uiforms.inc.php
+++ b/calendar/inc/class.calendar_uiforms.inc.php
@@ -494,7 +494,9 @@ class calendar_uiforms extends calendar_ui
 				{
 					if($type == 'u' && $id == $event['owner']) continue;
 					calendar_so::split_status($status, $quantity, $role);
-					$response = calendar_so::combine_status('U',$quantity,$role);
+					// if resource defines callback for status of new status (eg. Resources app acknowledges direct booking acl), call it
+					$status = isset($this->bo->resources[$type]['new_status']) ? ExecMethod($this->bo->resources[$type]['new_status'],$id) : 'U';
+					$response = calendar_so::combine_status($status,$quantity,$role);
 				}
 			}
 			$preserv['view'] = $preserv['edit_single'] = false;