1 files changed, 1 insertions, 0 deletions
diff --git a/packages/order-watcher/test/remaining_fillable_calculator_test.ts b/packages/order-watcher/test/remaining_fillable_calculator_test.ts
index 7ec3f1ebc..ea116175b 100644
--- a/packages/order-watcher/test/remaining_fillable_calculator_test.ts
+++ b/packages/order-watcher/test/remaining_fillable_calculator_test.ts
@@ -2,6 +2,7 @@ import { ECSignature, SignedOrder } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
+import 'make-promises-safe';
 import 'mocha';
 
 import { RemainingFillableCalculator } from '@0xproject/order-utils';