download_strategies.go | 3 +++

diff --git a/download_strategies.go b/download_strategies.go
index 275b57e3fb510d427e219d6667f693cf189b0dfb..f3ef027b73050441f7dd151658807068527e681c 100644
--- a/download_strategies.go
+++ b/download_strategies.go
@@ -40,6 +40,9 @@ 			return
 		}
 	}
 	addRequest := func(req request) (again bool) {
+		if len(c.Requests) >= 32 {
+			return false
+		}
 		return c.Request(req)
 	}
 	for e := c.pieceRequestOrder.First(); e != nil; e = e.Next() {