diff --git a/src/index.ts b/src/index.ts
index 7d4d0df2..fa09b5f3 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -18,7 +18,7 @@ import * as common from '@google-cloud/common';
 import {paginator} from '@google-cloud/paginator';
 import {promisifyAll} from '@google-cloud/promisify';
 import * as arrify from 'arrify';
-import Big from 'big.js';
+import {Big} from 'big.js';
 import * as extend from 'extend';
 
 const format = require('string-format-obj');