diff --git a/src/gui/transferlistfilters/trackersfilterwidget.h b/src/gui/transferlistfilters/trackersfilterwidget.h
index 0b7e82731..cf4cc1821 100644
--- a/src/gui/transferlistfilters/trackersfilterwidget.h
+++ b/src/gui/transferlistfilters/trackersfilterwidget.h
@@ -85,6 +85,9 @@ private:
     void downloadFavicon(const QString &trackerHost, const QString &faviconURL);
     void removeTracker(const QString &tracker);
 
+static bool isOnlyHttpTrackers(const QList<BitTorrent::TrackerEntryStatus> &trackers);
+    QSet<BitTorrent::TorrentID> m_onlyHttpTorrents;
+
     struct TrackerData
     {
         QSet<BitTorrent::TorrentID> torrents;