diff --git a/lib/Service/RoomService.php b/lib/Service/RoomService.php
index ed03fea0d19..6fc2ba16d2d 100644
--- a/lib/Service/RoomService.php
+++ b/lib/Service/RoomService.php
@@ -1074,17 +1074,13 @@ public function syncPropertiesFromHostRoom(Room $local, array $host): void {
 			$this->setLastActivity($local, $lastActivity);
 			$changed[] = ARoomSyncedEvent::PROPERTY_LAST_ACTIVITY;
 		}
-		if (isset($host['lobbyState'], $host['lobbyTimer']) && $host['lobbyState'] !== $local->getLobbyState(false)) {
+		if (isset($host['lobbyState'], $host['lobbyTimer']) && ($host['lobbyState'] !== $local->getLobbyState(false) || $host['lobbyTimer'] !== ((int) $local->getLobbyTimer(false)?->getTimestamp()))) {
 			$hostTimer = $host['lobbyTimer'] === 0 ? null : $this->timeFactory->getDateTime('@' . $host['lobbyTimer']);
-			$localTimer = $local->getLobbyTimer(false);
-			if ($host['lobbyState'] !== $local->getLobbyState(false)
-				|| $hostTimer?->getTimestamp() !== $localTimer?->getTimestamp()) {
-				$success = $this->setLobby($local, $host['lobbyState'], $hostTimer);
-				if (!$success) {
-					$this->logger->error('An error occurred while trying to sync lobby of ' . $local->getId() . ' to ' . $host['lobbyState'] . ' with timer to ' . $host['lobbyTimer']);
-				} else {
-					$changed[] = ARoomModifiedEvent::PROPERTY_LOBBY;
-				}
+			$success = $this->setLobby($local, $host['lobbyState'], $hostTimer);
+			if (!$success) {
+				$this->logger->error('An error occurred while trying to sync lobby of ' . $local->getId() . ' to ' . $host['lobbyState'] . ' with timer to ' . $host['lobbyTimer']);
+			} else {
+				$changed[] = ARoomModifiedEvent::PROPERTY_LOBBY;
 			}
 		}
 		if (isset($host['callStartTime'], $host['callFlag'])) {