diff --git a/src/webui/www/private/scripts/client.js b/src/webui/www/private/scripts/client.js
index c48c8542a..5922ed32d 100644
--- a/src/webui/www/private/scripts/client.js
+++ b/src/webui/www/private/scripts/client.js
@@ -805,8 +805,7 @@ window.addEventListener("DOMContentLoaded", () => {
                                 trackerListItem = { host: host, trackerTorrentMap: new Map() };
                                 trackerList.set(hash, trackerListItem);
                             }
-
-                            trackerListItem.trackerTorrentMap.set(tracker, [...torrents]);
+                            trackerListItem.trackerTorrentMap.set(tracker, new Set(torrents));
                         }
                         updateTrackers = true;
                     }
diff --git a/src/webui/www/private/scripts/dynamicTable.js b/src/webui/www/private/scripts/dynamicTable.js
index f969d5823..9ae0a2da0 100644
--- a/src/webui/www/private/scripts/dynamicTable.js
+++ b/src/webui/www/private/scripts/dynamicTable.js
@@ -1485,7 +1485,7 @@ window.qBittorrent.DynamicTable ??= (() => {
                     if (tracker) {
                         let found = false;
                         for (const torrents of tracker.trackerTorrentMap.values()) {
-                            if (torrents.includes(row["full_data"].rowId)) {
+                            if (torrents.has(row["full_data"].rowId)) {
                                 found = true;
                                 break;
                             }