diff --git a/types/tx_msg_test.go b/types/tx_msg_test.go
new file mode 100644
index 0000000000..f72cdea26e
--- /dev/null
+++ b/types/tx_msg_test.go
@@ -0,0 +1,30 @@
+package types
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	crypto "github.com/tendermint/go-crypto"
+)
+
+func newStdFee() StdFee {
+	return NewStdFee(100,
+		Coin{"atom", 150},
+	)
+}
+
+func TestStdTx(t *testing.T) {
+	priv := crypto.GenPrivKeyEd25519()
+	addr := priv.PubKey().Address()
+	msg := NewTestMsg(addr)
+	fee := newStdFee()
+	sigs := []StdSignature{}
+
+	tx := NewStdTx(msg, fee, sigs)
+	assert.Equal(t, msg, tx.GetMsg())
+	assert.Equal(t, sigs, tx.GetSignatures())
+
+	feePayer := FeePayer(tx)
+	assert.Equal(t, addr, feePayer)
+}