diff --git a/rolling-shutter/p2p/p2p.go b/rolling-shutter/p2p/p2p.go
index 7364c782b..e90030ebc 100644
--- a/rolling-shutter/p2p/p2p.go
+++ b/rolling-shutter/p2p/p2p.go
@@ -43,7 +43,7 @@ func init() {
 
 const (
 	// messagesBufSize is the number of incoming messages to buffer for all of the rooms.
-	messagesBufSize = 128
+	messagesBufSize = 512
 	protocolVersion = "/shutter/0.1.0"
 )