diff --git a/mempool/mempool.go b/mempool/mempool.go
index 492136fec..88f770fc4 100644
--- a/mempool/mempool.go
+++ b/mempool/mempool.go
@@ -677,8 +677,7 @@ func (mp *TxPool) maybeAcceptTransaction(tx *btcutil.Tx, isNew, rateLimit, rejec
 	// forbid their acceptance.
 	if !mp.cfg.Policy.AcceptNonStd {
 		err = checkTransactionStandard(tx, nextBlockHeight,
-			medianTimePast, mp.cfg.Policy.MinRelayTxFee,
-			mp.cfg.Policy.MaxTxVersion)
+			medianTimePast, &mp.cfg.Policy)
 		if err != nil {
 			// Attempt to extract a reject code from the error so
 			// it can be retained.  When not possible, fall back to
diff --git a/mempool/policy.go b/mempool/policy.go
index 1f6c45f7f..aa23b3a1c 100644
--- a/mempool/policy.go
+++ b/mempool/policy.go
@@ -251,15 +251,14 @@ func isDust(txOut *wire.TxOut, minRelayTxFee btcutil.Amount) bool {
 // of recognized forms, and not containing "dust" outputs (those that are
 // so small it costs more to process them than they are worth).
 func checkTransactionStandard(tx *btcutil.Tx, height int32,
-	medianTimePast time.Time, minRelayTxFee btcutil.Amount,
-	maxTxVersion int32) error {
+	medianTimePast time.Time, policy *Policy) error {
 
 	// The transaction must be a currently supported version.
 	msgTx := tx.MsgTx()
-	if msgTx.Version > maxTxVersion || msgTx.Version < 1 {
+	if msgTx.Version > policy.MaxTxVersion || msgTx.Version < 1 {
 		str := fmt.Sprintf("transaction version %d is not in the "+
 			"valid range of %d-%d", msgTx.Version, 1,
-			maxTxVersion)
+			policy.MaxTxVersion)
 		return txRuleError(wire.RejectNonstandard, str)
 	}
 
@@ -326,7 +325,7 @@ func checkTransactionStandard(tx *btcutil.Tx, height int32,
 		// "dust".
 		if scriptClass == txscript.NullDataTy {
 			numNullDataOutputs++
-		} else if isDust(txOut, minRelayTxFee) {
+		} else if isDust(txOut, policy.MinRelayTxFee) {
 			str := fmt.Sprintf("transaction output %d: payment "+
 				"of %d is dust", i, txOut.Value)
 			return txRuleError(wire.RejectDust, str)
diff --git a/mempool/policy_test.go b/mempool/policy_test.go
index 505b95dc6..75df49964 100644
--- a/mempool/policy_test.go
+++ b/mempool/policy_test.go
@@ -470,7 +470,7 @@ func TestCheckTransactionStandard(t *testing.T) {
 	for _, test := range tests {
 		// Ensure standardness is as expected.
 		err := checkTransactionStandard(btcutil.NewTx(&test.tx),
-			test.height, pastMedianTime, DefaultMinRelayTxFee, 1)
+			test.height, pastMedianTime, &Policy{MinRelayTxFee: DefaultMinRelayTxFee, MaxTxVersion: 1})
 		if err == nil && test.isStandard {
 			// Test passes since function returned standard for a
 			// transaction which is intended to be standard.
diff --git a/server.go b/server.go
index 281562870..f02aac0c3 100644
--- a/server.go
+++ b/server.go
@@ -25,9 +25,9 @@ import (
 	"github.com/daglabs/btcd/addrmgr"
 	"github.com/daglabs/btcd/blockdag"
 	"github.com/daglabs/btcd/blockdag/indexers"
+	"github.com/daglabs/btcd/connmgr"
 	"github.com/daglabs/btcd/dagconfig"
 	"github.com/daglabs/btcd/dagconfig/daghash"
-	"github.com/daglabs/btcd/connmgr"
 	"github.com/daglabs/btcd/database"
 	"github.com/daglabs/btcd/mempool"
 	"github.com/daglabs/btcd/mining"
@@ -2535,7 +2535,7 @@ func newServer(listenAddrs []string, db database.DB, chainParams *dagconfig.Para
 			MaxOrphanTxSize:      defaultMaxOrphanTxSize,
 			MaxSigOpsPerTx:       blockdag.MaxSigOpsPerBlock / 5,
 			MinRelayTxFee:        cfg.minRelayTxFee,
-			MaxTxVersion:         2,
+			MaxTxVersion:         1,
 		},
 		ChainParams:    chainParams,
 		FetchUtxoView:  s.dag.FetchUtxoView,