Fix ethereumjs-tx declaration and import

2 files changed, 2 insertions, 2 deletions

diff --git a/packages/subproviders/src/globals.d.ts b/packages/subproviders/src/globals.d.ts
index 3e50bedaa..520ca9232 100644
--- a/packages/subproviders/src/globals.d.ts
+++ b/packages/subproviders/src/globals.d.ts
@@ -17,7 +17,7 @@ declare module 'ethereumjs-tx' {
         public serialize(): Buffer;
         constructor(txParams: any);
     }
-    export default EthereumTx;
+    export = EthereumTx;
 }
 
 // Ledgerco declarations
diff --git a/packages/subproviders/src/subproviders/ledger.ts b/packages/subproviders/src/subproviders/ledger.ts
index eba1a48a4..c8fa7fd5a 100644
--- a/packages/subproviders/src/subproviders/ledger.ts
+++ b/packages/subproviders/src/subproviders/ledger.ts
@@ -1,7 +1,7 @@
 import {assert} from '@0xproject/assert';
 import promisify = require('es6-promisify');
 import {isAddress} from 'ethereum-address';
-import EthereumTx from 'ethereumjs-tx';
+import EthereumTx = require('ethereumjs-tx');
 import ethUtil = require('ethereumjs-util');
 import * as ledger from 'ledgerco';
 import * as _ from 'lodash';