diff --git a/util/peerset/peerset.go b/util/peerset/peerset.go
index e969b4a4b..37c1a97b0 100644
--- a/util/peerset/peerset.go
+++ b/util/peerset/peerset.go
@@ -22,7 +22,7 @@ func NewPeerSet() *PeerSet {
 func NewLimitedPeerSet(size int) *PeerSet {
 	ps := new(PeerSet)
 	ps.ps = make(map[string]bool)
-	ps.size = -1
+	ps.size = size
 	return ps
 }