From 934af23b1fb65e6f5bef4e2794639d0cefea756c Mon Sep 17 00:00:00 2001
From: Germain Souquet <germain@souquet.com>
Date: Wed, 26 May 2021 10:15:31 +0100
Subject: [PATCH] Fix preview generate check

---
 src/stores/room-list/MessagePreviewStore.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/stores/room-list/MessagePreviewStore.ts b/src/stores/room-list/MessagePreviewStore.ts
index 4de612c7bd..f5b9d9bc6a 100644
--- a/src/stores/room-list/MessagePreviewStore.ts
+++ b/src/stores/room-list/MessagePreviewStore.ts
@@ -176,7 +176,8 @@ export class MessagePreviewStore extends AsyncStoreWithClient<IState> {
 
         if (payload.action === 'MatrixActions.Room.timeline' || payload.action === 'MatrixActions.Event.decrypted') {
             const event = payload.event; // TODO: Type out the dispatcher
-            if (!this.previews.has(event.getRoomId()) || !event.isLiveEvent) return; // not important
+            const isHistoricalEvent = payload.hasOwnProperty("isLiveEvent") && !payload.isLiveEvent
+            if (!this.previews.has(event.getRoomId()) || isHistoricalEvent) return; // not important
             await this.generatePreview(this.matrixClient.getRoom(event.getRoomId()), TAG_ANY);
         }
     }