diff --git a/cmd/ethermintcli/main.go b/cmd/ethermintcli/main.go
index 8a92cee4c..10ba130ec 100644
--- a/cmd/ethermintcli/main.go
+++ b/cmd/ethermintcli/main.go
@@ -7,6 +7,7 @@ import (
 
 	tmamino "github.com/tendermint/tendermint/crypto/encoding/amino"
 	"github.com/tendermint/tendermint/libs/cli"
+	"github.com/tendermint/tendermint/crypto/multisig"
 
 	sdkclient "github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/client/flags"
@@ -39,6 +40,7 @@ func main() {
 
 	tmamino.RegisterKeyType(ethsecp256k1.PubKey{}, ethsecp256k1.PubKeyName)
 	tmamino.RegisterKeyType(ethsecp256k1.PrivKey{}, ethsecp256k1.PrivKeyName)
+	multisig.RegisterKeyType(ethsecp256k1.PubKey{}, ethsecp256k1.PubKeyName)
 
 	keys.CryptoCdc = cdc
 	clientkeys.KeysCdc = cdc
diff --git a/cmd/ethermintd/main.go b/cmd/ethermintd/main.go
index 506c22f84..74093e527 100644
--- a/cmd/ethermintd/main.go
+++ b/cmd/ethermintd/main.go
@@ -13,6 +13,7 @@ import (
 	"github.com/tendermint/tendermint/libs/log"
 	tmtypes "github.com/tendermint/tendermint/types"
 	dbm "github.com/tendermint/tm-db"
+	"github.com/tendermint/tendermint/crypto/multisig"
 
 	"github.com/cosmos/cosmos-sdk/baseapp"
 	"github.com/cosmos/cosmos-sdk/client/flags"
@@ -45,6 +46,7 @@ func main() {
 
 	tmamino.RegisterKeyType(ethsecp256k1.PubKey{}, ethsecp256k1.PubKeyName)
 	tmamino.RegisterKeyType(ethsecp256k1.PrivKey{}, ethsecp256k1.PrivKeyName)
+	multisig.RegisterKeyType(ethsecp256k1.PubKey{}, ethsecp256k1.PubKeyName)
 
 	keys.CryptoCdc = cdc
 	genutil.ModuleCdc = cdc