connection.go | 6 +++---

diff --git a/connection.go b/connection.go
index f8855aeedc7ddbfdae43dea235ad0948b9d2eea3..05b037ab0d634a3714c1ba7396d627f14ccfa75f 100644
--- a/connection.go
+++ b/connection.go
@@ -98,11 +98,11 @@ 	// TODO: Have some kind of overlap here, so there's some probabilistic
 	// favouring of higher priority pieces.
 	switch priority {
 	case piecePriorityReadahead:
-		key -= len(cn.piecePriorities)
+		key -= len(cn.piecePriorities) / 3
 	case piecePriorityNext:
-		key -= 2 * len(cn.piecePriorities)
+		key -= len(cn.piecePriorities) / 2
 	case piecePriorityNow:
-		key -= 3 * len(cn.piecePriorities)
+		key -= len(cn.piecePriorities)
 	}
 	cn.pieceRequestOrder.SetPiece(piece, key)
 }