diff --git a/webclient/components/matrix/event-handler-service.js b/webclient/components/matrix/event-handler-service.js
index e990d42d05..492ec08bca 100644
--- a/webclient/components/matrix/event-handler-service.js
+++ b/webclient/components/matrix/event-handler-service.js
@@ -148,10 +148,10 @@ function(matrixService, $rootScope, $q, $timeout, mPresence) {
         // ts is later.
         var latestData = true;
         if (!isLiveEvent) {
-            var eventTs = event.ts;
+            var eventTs = event.origin_server_ts;
             var storedEvent = $rootScope.events.rooms[event.room_id][event.type];
             if (storedEvent) {
-                if (storedEvent.ts > eventTs) {
+                if (storedEvent.origin_server_ts > eventTs) {
                     // ignore it, we have a newer one already.
                     latestData = false;
                 }
diff --git a/webclient/recents/recents-filter.js b/webclient/recents/recents-filter.js
index 468a746b18..ef8d9897f7 100644
--- a/webclient/recents/recents-filter.js
+++ b/webclient/recents/recents-filter.js
@@ -59,9 +59,9 @@ angular.module('RecentsController')
                 return 1;
             }
             else {
-                return lastMsgRoomB.ts - lastMsgRoomA.ts;
+                return lastMsgRoomB.origin_server_ts - lastMsgRoomA.origin_server_ts;
             }
         });
         return filtered;
     };
-}]);
\ No newline at end of file
+}]);
diff --git a/webclient/recents/recents.html b/webclient/recents/recents.html
index 9cbdcd357a..fe6a2f6368 100644
--- a/webclient/recents/recents.html
+++ b/webclient/recents/recents.html
@@ -18,7 +18,7 @@
                          Declaring it in this way ensures the data-binding -->
                     {{ lastMsg = eventHandlerService.getLastMessage(room.room_id, true);"" }}
 
-                    {{ (lastMsg.ts) | date:'MMM d HH:mm' }}
+                    {{ (lastMsg.origin_server_ts) | date:'MMM d HH:mm' }}
                     
                     <img ng-click="leave(room.room_id); $event.stopPropagation();" src="img/close.png" width="10" height="10" style="margin-bottom: -1px; margin-left: 2px;" alt="close"/>
                 </td>