diff --git a/p2p/peer_error.go b/p2p/peer_error.go
index b1762a6ee8..62c7b665dd 100644
--- a/p2p/peer_error.go
+++ b/p2p/peer_error.go
@@ -66,7 +66,7 @@ const (
 	DiscUnexpectedIdentity
 	DiscSelf
 	DiscReadTimeout
-	DiscSubprotocolError
+	DiscSubprotocolError = 0x10
 )
 
 var discReasonToString = [...]string{