diff --git a/src/base/bittorrent/session.cpp b/src/base/bittorrent/session.cpp
index 707d2ef8f..7e3866031 100644
--- a/src/base/bittorrent/session.cpp
+++ b/src/base/bittorrent/session.cpp
@@ -1625,7 +1625,7 @@ void Session::banIP(const QString &ip)
 
 // Delete a torrent from the session, given its hash
 // and from the disk, if the corresponding deleteOption is chosen
-bool Session::deleteTorrent(const QString &hash, const DeleteOption deleteOption)
+bool Session::deleteTorrent(const InfoHash &hash, const DeleteOption deleteOption)
 {
     TorrentHandle *const torrent = m_torrents.take(hash);
     if (!torrent) return false;
diff --git a/src/base/bittorrent/session.h b/src/base/bittorrent/session.h
index 7324ea812..1dfbbfa42 100644
--- a/src/base/bittorrent/session.h
+++ b/src/base/bittorrent/session.h
@@ -407,7 +407,7 @@ namespace BitTorrent
         bool isKnownTorrent(const InfoHash &hash) const;
         bool addTorrent(const QString &source, const AddTorrentParams &params = AddTorrentParams());
         bool addTorrent(const TorrentInfo &torrentInfo, const AddTorrentParams &params = AddTorrentParams());
-        bool deleteTorrent(const QString &hash, DeleteOption deleteOption = Torrent);
+        bool deleteTorrent(const InfoHash &hash, DeleteOption deleteOption = Torrent);
         bool loadMetadata(const MagnetUri &magnetUri);
         bool cancelLoadMetadata(const InfoHash &hash);