torrent.go | 2 +-

diff --git a/torrent.go b/torrent.go
index 70c8d42046f340944761efeca1b3bdadd179df4b..5fd2bbff3df2ef6a365459333bc188814e777a13 100644
--- a/torrent.go
+++ b/torrent.go
@@ -745,7 +745,7 @@ 		missinggo.CopyExact(&ret, hash.Sum(nil))
 		return
 	}
 	if err != io.ErrUnexpectedEOF && !os.IsNotExist(err) {
-		t.logger.Printf("unexpected error hashing piece with %T: %s", t.storage.TorrentImpl, err)
+		t.logger.Printf("unexpected error hashing piece %d through %T: %s", piece, t.storage.TorrentImpl, err)
 	}
 	return
 }