From 66c7c357852a0e2f50c4f6c444b86f3988b1c6dc Mon Sep 17 00:00:00 2001
From: Benoit Marty <benoit@matrix.org>
Date: Thu, 11 Jun 2026 16:47:25 +0200
Subject: [PATCH] Ensure event is sent only once per room.

---
 .../android/libraries/matrix/impl/room/RoomContentForwarder.kt  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/room/RoomContentForwarder.kt b/libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/room/RoomContentForwarder.kt
index e000c2f916..39cde68c31 100644
--- a/libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/room/RoomContentForwarder.kt
+++ b/libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/room/RoomContentForwarder.kt
@@ -49,7 +49,7 @@ class RoomContentForwarder(
         val content = (messageLikeContent.kind as? MsgLikeKind.Message)?.content
             ?: throw ForwardEventException(toRoomIds)
 
-        val targetRooms = toRoomIds.mapNotNull { roomId -> roomListService.roomOrNull(roomId.value) }
+        val targetRooms = toRoomIds.toSet().mapNotNull { roomId -> roomListService.roomOrNull(roomId.value) }
         val failedForwardingTo = mutableSetOf<RoomId>()
         targetRooms.parallelMap { room ->
             room.use { targetRoom ->