diff --git a/x/evm/keeper/keeper.go b/x/evm/keeper/keeper.go
index 85fabac8..c2f87221 100644
--- a/x/evm/keeper/keeper.go
+++ b/x/evm/keeper/keeper.go
@@ -1,12 +1,12 @@
 package keeper
 
 import (
-	"errors"
 	"math/big"
 
 	"github.com/cosmos/cosmos-sdk/codec"
 	"github.com/cosmos/cosmos-sdk/store/prefix"
 	sdk "github.com/cosmos/cosmos-sdk/types"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 	paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core"
@@ -244,7 +244,7 @@ func (k *Keeper) GetAccountWithoutBalance(ctx sdk.Context, addr common.Address)
 
 	ethAcct, ok := acct.(*ethermint.EthAccount)
 	if !ok {
-		return nil, errors.New("not EthAccount")
+		return nil, sdkerrors.Wrapf(types.ErrInvalidAccount, "type %T, address %s", acct, addr)
 	}
 
 	return &statedb.Account{
diff --git a/x/evm/keeper/statedb.go b/x/evm/keeper/statedb.go
index ae908057..bf0aa0a9 100644
--- a/x/evm/keeper/statedb.go
+++ b/x/evm/keeper/statedb.go
@@ -2,12 +2,12 @@ package keeper
 
 import (
 	"bytes"
-	"errors"
 	"fmt"
 	"math/big"
 
 	"github.com/cosmos/cosmos-sdk/store/prefix"
 	sdk "github.com/cosmos/cosmos-sdk/types"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 	"github.com/ethereum/go-ethereum/common"
 	ethermint "github.com/tharsis/ethermint/types"
 	"github.com/tharsis/ethermint/x/evm/statedb"
@@ -111,7 +111,7 @@ func (k *Keeper) SetAccount(ctx sdk.Context, addr common.Address, account stated
 	}
 	ethAcct, ok := acct.(*ethermint.EthAccount)
 	if !ok {
-		return errors.New("not EthAccount")
+		return sdkerrors.Wrapf(types.ErrInvalidAccount, "type %T, address %s", acct, addr)
 	}
 	if err := ethAcct.SetSequence(account.Nonce); err != nil {
 		return err
@@ -179,7 +179,7 @@ func (k *Keeper) DeleteAccount(ctx sdk.Context, addr common.Address) error {
 
 	ethAcct, ok := acct.(*ethermint.EthAccount)
 	if !ok {
-		return errors.New("not EthAccount")
+		return sdkerrors.Wrapf(types.ErrInvalidAccount, "type %T, address %s", acct, addr)
 	}
 
 	// clear balance
@@ -194,7 +194,7 @@ func (k *Keeper) DeleteAccount(ctx sdk.Context, addr common.Address) error {
 	}
 
 	// clear storage
-	k.ForEachStorage(ctx, addr, func(key, value common.Hash) bool {
+	k.ForEachStorage(ctx, addr, func(key, _ common.Hash) bool {
 		k.SetState(ctx, addr, key, nil)
 		return true
 	})
diff --git a/x/evm/types/errors.go b/x/evm/types/errors.go
index 811f506d..4d6d1250 100644
--- a/x/evm/types/errors.go
+++ b/x/evm/types/errors.go
@@ -32,6 +32,7 @@ const (
 	codeErrInvalidGasCap
 	codeErrInvalidBaseFee
 	codeErrGasOverflow
+	codeErrInvalidAccount
 )
 
 var ErrPostTxProcessing = errors.New("failed to execute post processing")
@@ -93,6 +94,9 @@ var (
 
 	// ErrGasOverflow returns an error if gas computation overlow/underflow
 	ErrGasOverflow = sdkerrors.Register(ModuleName, codeErrGasOverflow, "gas computation overflow/underflow")
+
+	// ErrInvalidAccount returns an error if the account is not an EVM compatible account
+	ErrInvalidAccount = sdkerrors.Register(ModuleName, codeErrInvalidAccount, "account type is not a valid ethereum account")
 )
 
 // NewExecErrorWithReason unpacks the revert return bytes and returns a wrapped error