diff --git a/peer/remote.go b/peer/remote.go
index e5625fc..3668255 100644
--- a/peer/remote.go
+++ b/peer/remote.go
@@ -57,7 +57,7 @@ func (p *Peer) LastHandshakeTime() time.Time {
 }
 
 func (p *Peer) Up() bool {
-	return time.Since(p.LastPing) > 3*PingInterval
+	return time.Since(p.LastPing) < 3*PingInterval
 }
 
 func (p *Peer) CanRelay() bool {