diff --git a/p2p/peer_error.go b/p2p/peer_error.go
index aad1a65c7..302868504 100644
--- a/p2p/peer_error.go
+++ b/p2p/peer_error.go
@@ -69,7 +69,7 @@ const (
 	DiscUnexpectedIdentity
 	DiscSelf
 	DiscReadTimeout
-	DiscSubprotocolError = 0x10
+	DiscSubprotocolError = DiscReason(0x10)
 )
 
 var discReasonToString = [...]string{