diff --git a/app/legacy_test.go b/app/legacy_test.go
index f5e048e8bc..a016c4d479 100644
--- a/app/legacy_test.go
+++ b/app/legacy_test.go
@@ -4,6 +4,7 @@ import (
 	"encoding/base64"
 	"testing"
 
+	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
 	evmenc "github.com/evmos/ethermint/encoding"
 	"github.com/stretchr/testify/require"
 )
@@ -27,3 +28,25 @@ func TestDecodeLegacyTx(t *testing.T) {
 	_, err = encodingConfig.TxConfig.TxDecoder()(bz)
 	require.NoError(t, err)
 }
+
+func TestDecodeAuthzLegacyTx(t *testing.T) {
+	// msg url: /cosmos.authz.v1beta1.MsgGrant
+	tx := "Cr0BCroBCh4vY29zbW9zLmF1dGh6LnYxYmV0YTEuTXNnR3JhbnQSlwEKKmNyYzF4N3g5cGtmeGYzM2w4N2Z0c3BrNWFldHdua3IwbHZsdjMzNDZjZBIqY3JjMTZ6MGhlcno5OTg5NDZ3cjY1OWxyODRjOGM1NTZkYTU1ZGMzNGhoGj0KOwomL2Nvc21vcy5iYW5rLnYxYmV0YTEuU2VuZEF1dGhvcml6YXRpb24SEQoPCghiYXNldGNybxIDMjAwEl8KVwpPCigvZXRoZXJtaW50LmNyeXB0by52MS5ldGhzZWNwMjU2azEuUHViS2V5EiMKIQNg/r8Tea2PYFq2XE07fpnN97ASePg32cuO4HmUkEGpFBIECgIIARIEEMCaDBpBekTx2LtLIFDODLVr1OqMUR9UYjZBv0KAr8eCacs7jTw/szr3jCvtvHGNraifkLfBEDatH3Rp/wqaNvxXgGjH4gA="
+
+	bz, err := base64.StdEncoding.DecodeString(tx)
+	require.NoError(t, err)
+
+	encodingConfig := evmenc.MakeConfig()
+
+	_, err = encodingConfig.TxConfig.TxDecoder()(bz)
+	require.Error(t, err, "")
+	require.Contains(t, err.Error(), "unable to resolve type URL /cosmos.authz.v1beta1.MsgGrant")
+
+	RegisterLegacyCodec(encodingConfig.Amino)
+	RegisterLegacyInterfaces(encodingConfig.InterfaceRegistry)
+	banktypes.RegisterLegacyAminoCodec(encodingConfig.Amino)
+	banktypes.RegisterInterfaces(encodingConfig.InterfaceRegistry)
+
+	_, err = encodingConfig.TxConfig.TxDecoder()(bz)
+	require.NoError(t, err)
+}