diff --git a/x/smartaccount/ante/auth.go b/x/smartaccount/ante/auth.go
index caaefe46..c7899b22 100644
--- a/x/smartaccount/ante/auth.go
+++ b/x/smartaccount/ante/auth.go
@@ -156,20 +156,20 @@ func (sad SmartAccountAuthDecorator) GetParamsForCustomAuthVerification(
 		return nil, nil, nil, err
 	}
 
-	acc, err := authante.GetSignerAcc(ctx, sad.accountKeeper, account)
+	senderAcc, err := authante.GetSignerAcc(ctx, sad.accountKeeper, senderAddr)
 	if err != nil {
 		return nil, nil, nil, err
 	}
-	var accNum uint64
+	var senderAccNum uint64
 	if ctx.BlockHeight() != 0 {
-		accNum = acc.GetAccountNumber()
+		senderAccNum = senderAcc.GetAccountNumber()
 	}
 
 	signerData := authsigning.SignerData{
 		Address:       senderAddr.String(),
 		ChainID:       ctx.ChainID(),
-		AccountNumber: accNum,
-		Sequence:      acc.GetSequence(),
+		AccountNumber: senderAccNum,
+		Sequence:      senderAcc.GetSequence(),
 		PubKey:        signature.PubKey,
 	}
 
diff --git a/x/smartaccount/ante/tests/auth_test.go b/x/smartaccount/ante/tests/auth_test.go
index ef42c946..4c86320f 100644
--- a/x/smartaccount/ante/tests/auth_test.go
+++ b/x/smartaccount/ante/tests/auth_test.go
@@ -99,7 +99,8 @@ func (s *AnteTestSuite) TestAuthAnteHandler() {
 func (s *AnteTestSuite) BuildDefaultMsgTx(accountIndex int, msgs ...sdk.Msg) client.TxBuilder {
 	pk := s.TestAccPrivs[accountIndex]
 	sender := s.TestAccs[accountIndex]
-	acc := s.App.Keepers.AccountKeeper.GetAccount(s.Ctx, msgs[0].GetSigners()[0])
+	senderAcc := s.App.Keepers.AccountKeeper.GetAccount(s.Ctx, sender)
+	senderSeq := senderAcc.GetSequence()
 	txBuilder := s.EncodingConfig.TxConfig.NewTxBuilder()
 	err := txBuilder.SetMsgs(
 		msgs...,
@@ -109,8 +110,8 @@ func (s *AnteTestSuite) BuildDefaultMsgTx(accountIndex int, msgs ...sdk.Msg) cli
 	signer := authsigning.SignerData{
 		Address:       sender.String(),
 		ChainID:       "test",
-		AccountNumber: acc.GetAccountNumber(),
-		Sequence:      acc.GetSequence(),
+		AccountNumber: senderAcc.GetAccountNumber(),
+		Sequence:      senderSeq,
 		PubKey:        pk.PubKey(),
 	}
 
@@ -132,7 +133,7 @@ func (s *AnteTestSuite) BuildDefaultMsgTx(accountIndex int, msgs ...sdk.Msg) cli
 		txBuilder,
 		pk,
 		s.EncodingConfig.TxConfig,
-		acc.GetSequence(),
+		senderSeq,
 	)
 	require.NoError(s.T(), err)