diff --git a/server.go b/server.go
index 40755c8e..a10fd1a4 100644
--- a/server.go
+++ b/server.go
@@ -2973,7 +2973,7 @@ func newServer(listenAddrs, agentBlacklist, agentWhitelist []string,
 			MaxOrphanTxSize:      defaultMaxOrphanTxSize,
 			MaxSigOpCostPerTx:    blockchain.MaxBlockSigOpsCost / 4,
 			MinRelayTxFee:        cfg.minRelayTxFee,
-			MaxTxVersion:         2,
+			MaxTxVersion:         mempool.MaxStandardTxVersion,
 			RejectReplacement:    cfg.RejectReplacement,
 		},
 		ChainParams:    chainParams,