diff --git a/src/app/organisms/room/RoomViewContent.jsx b/src/app/organisms/room/RoomViewContent.jsx
index 2dffbceb..e3f2aba4 100644
--- a/src/app/organisms/room/RoomViewContent.jsx
+++ b/src/app/organisms/room/RoomViewContent.jsx
@@ -285,9 +285,8 @@ function useEventArrive(roomTimeline, readUptoEvtStore, timelineScrollRef, event
     const timelineScroll = timelineScrollRef.current;
     const limit = eventLimitRef.current;
     const trySendReadReceipt = (event) => {
-      if (event.isSending()) return;
       if (myUserId === event.getSender()) {
-        roomTimeline.markAllAsRead();
+        requestAnimationFrame(() => roomTimeline.markAllAsRead());
         return;
       }
       const readUpToEvent = readUptoEvtStore.getItem();
@@ -296,7 +295,7 @@ function useEventArrive(roomTimeline, readUptoEvtStore, timelineScrollRef, event
 
       if (isUnread === false) {
         if (document.visibilityState === 'visible' && timelineScroll.bottom < 16) {
-          roomTimeline.markAllAsRead();
+          requestAnimationFrame(() => roomTimeline.markAllAsRead());
         } else {
           readUptoEvtStore.setItem(roomTimeline.findEventByIdInTimelineSet(readUpToId));
         }
@@ -306,7 +305,7 @@ function useEventArrive(roomTimeline, readUptoEvtStore, timelineScrollRef, event
       const { timeline } = roomTimeline;
       const unreadMsgIsLast = timeline[timeline.length - 2].getId() === readUpToId;
       if (unreadMsgIsLast) {
-        roomTimeline.markAllAsRead();
+        requestAnimationFrame(() => roomTimeline.markAllAsRead());
       }
     };
 
diff --git a/src/client/state/RoomTimeline.js b/src/client/state/RoomTimeline.js
index f4911864..c0895b08 100644
--- a/src/client/state/RoomTimeline.js
+++ b/src/client/state/RoomTimeline.js
@@ -233,6 +233,7 @@ class RoomTimeline extends EventEmitter {
     this.notifications.deleteNoti(this.roomId);
     if (this.timeline.length === 0) return;
     const latestEvent = this.timeline[this.timeline.length - 1];
+    if (latestEvent.isSending() || latestEvent.getId().startsWith('~')) return;
     if (readEventId === latestEvent.getId()) return;
     this.matrixClient.sendReadReceipt(latestEvent);
     this.emit(cons.events.roomTimeline.MARKED_AS_READ, latestEvent);