diff --git a/Controller/CalendarsAppController.php b/Controller/CalendarsAppController.php
index 5fcd1c3..be7f08f 100644
--- a/Controller/CalendarsAppController.php
+++ b/Controller/CalendarsAppController.php
@@ -234,15 +234,22 @@ protected function _setCalendarCommonVars($vars) {
 				//$order = array('TrackableCreator' . '.username');
 				//$order = array('TrackableCreator' . '.handlename');
 				$order = array(
-						'TrackableCreator' . '.handlename',
-						'CalendarEvent' . '.dtstart',
-						);
+					'TrackableCreator' . '.handlename',
+					'CalendarEvent' . '.dtstart',
+					'CalendarEvent' . '.id',
+				);
 			} else { //時間順
-				$order = array('CalendarEvent' . '.dtstart');
+				$order = array(
+					'CalendarEvent' . '.dtstart',
+					'CalendarEvent' . '.id',
+				);
 			}
 		} else {
 			//$order = array('CalendarEvent' . '.start_date');
-			$order = array('CalendarEvent' . '.dtstart');
+			$order = array(
+				'CalendarEvent' . '.dtstart',
+				'CalendarEvent' . '.id',
+			);
 		}
 
 		//room_idとspace_idの対応表を載せておく。