fs/torrentfs.go | 5 ++++-

diff --git a/fs/torrentfs.go b/fs/torrentfs.go
index 3d712a19266e8cc590c9b926eca1e25a04c032cd..a8d18cf1fd72cee50f8da4e2a4d4f948eef94ba8 100644
--- a/fs/torrentfs.go
+++ b/fs/torrentfs.go
@@ -87,6 +87,9 @@ 		log.Printf("torrentfs read took %dms", ms)
 	}()
 	size := req.Size
 	fileLeft := int64(fn.size) - req.Offset
+	if fileLeft < 0 {
+		fileLeft = 0
+	}
 	if fileLeft < int64(size) {
 		size = int(fileLeft)
 	}
@@ -98,7 +101,7 @@ 	infoHash := fn.InfoHash
 	torrentOff := fn.TorrentOffset + req.Offset
 	go func() {
 		if err := fn.FS.Client.PrioritizeDataRegion(infoHash, torrentOff, int64(size)); err != nil {
-			panic(err)
+			log.Printf("error prioritizing %s: %s", fn.fsPath(), err)
 		}
 	}()
 	delayed := false