diff --git a/proto/tendermint/mempool/message.go b/proto/tendermint/mempool/message.go
index 0e9d797f8..f492eb0a0 100644
--- a/proto/tendermint/mempool/message.go
+++ b/proto/tendermint/mempool/message.go
@@ -8,6 +8,7 @@ import (
 )
 
 var _ p2p.Wrapper = &Txs{}
+var _ p2p.Unwrapper = &Message{}
 
 // Wrap implements the p2p Wrapper interface and wraps a mempool message.
 func (m *Txs) Wrap() (proto.Message, error) {