diff --git a/lib/BackgroundJob/SendScheduledMessages.php b/lib/BackgroundJob/SendScheduledMessages.php
index 0e019537562..1af323f8f2b 100644
--- a/lib/BackgroundJob/SendScheduledMessages.php
+++ b/lib/BackgroundJob/SendScheduledMessages.php
@@ -158,7 +158,8 @@ protected function run($argument): void {
 				$metaData = $message->getDecodedMetaData();
 				$threadId = $message->getThreadId();
 				$threadTitle = $metaData[ScheduledMessage::METADATA_THREAD_TITLE] ?? null;
-				$comment = $this->chatManager->sendMessage($room,
+				$comment = $this->chatManager->sendMessage(
+					$room,
 					$participant,
 					$message->getActorType(),
 					$message->getActorId(),
@@ -167,7 +168,9 @@ protected function run($argument): void {
 					$parent,
 					'',
 					$metaData[ScheduledMessage::METADATA_SILENT] ?? false,
-					threadId: $threadId
+					threadId: $threadId,
+					threadTitle: $threadTitle,
+					fromScheduledMessage: true,
 				);
 				$this->logger->debug('Sent scheduled message ' . $message->getId() . ' to room ' . $message->getRoomId() . ' for ' . $message->getActorType() . ' ' . $message->getActorId());
 				if ($threadId === Thread::THREAD_CREATE && $threadTitle !== '') {
@@ -185,7 +188,7 @@ protected function run($argument): void {
 						null,
 						$comment,
 						true,
-						true
+						true,
 					);
 					$this->logger->debug('Created thread ' . $thread->getId() . ' in room ' . $message->getRoomId() . ' for scheduled message ' . $message->getId() . ' for ' . $message->getActorType() . ' ' . $message->getActorId());
 				}
diff --git a/lib/Chat/ChatManager.php b/lib/Chat/ChatManager.php
index 92780b7f812..f26bcbb66a3 100644
--- a/lib/Chat/ChatManager.php
+++ b/lib/Chat/ChatManager.php
@@ -392,6 +392,7 @@ public function sendMessage(
 		bool $rateLimitGuestMentions = true,
 		int $threadId = 0,
 		string $threadTitle = '',
+		bool $fromScheduledMessage = false,
 	): IComment {
 		if ($chat->isFederatedConversation()) {
 			$e = new MessagingNotAllowedException();
@@ -466,7 +467,7 @@ public function sendMessage(
 				}
 			}
 
-			if ($participant instanceof Participant) {
+			if (!$fromScheduledMessage && $participant instanceof Participant) {
 				$this->participantService->updateLastReadMessage($participant, $messageId);
 			}
 
diff --git a/tests/integration/features/chat-4/scheduled-messages.feature b/tests/integration/features/chat-4/scheduled-messages.feature
index c295631ca71..0174476f484 100644
--- a/tests/integration/features/chat-4/scheduled-messages.feature
+++ b/tests/integration/features/chat-4/scheduled-messages.feature
@@ -7,9 +7,10 @@ Feature: chat-4/scheduling
       | roomName | room |
     And user "participant1" adds user "participant2" to room "room" with 200 (v4)
     And user "participant2" sends message "Message" to room "room" with 201
+    Then user "participant1" reads message "Message" in room "room" with 200
     Then user "participant1" is participant of the following rooms (v4)
-      | id   | type | hasScheduledMessages |
-      | room | 2    |0                     |
+      | id   | type | hasScheduledMessages | unreadMessages | lastReadMessage |
+      | room | 2    | 0                    | 0              | Message         |
 
   Scenario: Schedule a message
     When user "participant1" schedules a message to room "room" with 201
@@ -19,14 +20,14 @@ Feature: chat-4/scheduling
       | id        | actorType | actorId      | threadId | parent | message   | messageType | sendAt      | silent |
       | Message 1 | users     | participant1 | 0        | null   | Message 1 | comment     | {NOW}  | false  |
     And user "participant1" is participant of the following rooms (v4)
-      | id   | type | hasScheduledMessages |
-      | room | 2    | 1                    |
+      | id   | type | hasScheduledMessages | unreadMessages | lastReadMessage |
+      | room | 2    | 1                    | 0              | Message         |
     When wait for 4 seconds
     And force run "OCA\Talk\BackgroundJob\SendScheduledMessages" background jobs
     Then user "participant1" sees the following scheduled messages in room "room" with 200
     And user "participant1" is participant of the following rooms (v4)
-      | id   | type | hasScheduledMessages |
-      | room | 2    | 0                    |
+      | id   | type | hasScheduledMessages | unreadMessages | lastReadMessage |
+      | room | 2    | 0                    | 1              | Message         |
     Then user "participant2" sees the following messages in room "room" with 200
       | room | actorType | actorId      | actorDisplayName         | messageType | message   | messageParameters |
       | room | users     | participant1 | participant1-displayname | comment     | Message 1 | []                |