Await the promise in order watcher assertion

1 files changed, 1 insertions, 1 deletions

diff --git a/packages/order-watcher/src/order_watcher/order_watcher.ts b/packages/order-watcher/src/order_watcher/order_watcher.ts
index 264b3d18c..91fa85684 100644
--- a/packages/order-watcher/src/order_watcher/order_watcher.ts
+++ b/packages/order-watcher/src/order_watcher/order_watcher.ts
@@ -145,7 +145,7 @@ export class OrderWatcher {
     public addOrder(signedOrder: SignedOrder): void {
         assert.doesConformToSchema('signedOrder', signedOrder, schemas.signedOrderSchema);
         const orderHash = orderHashUtils.getOrderHashHex(signedOrder);
-        assert.isValidSignatureAsync(this._provider, orderHash, signedOrder.signature, signedOrder.makerAddress);
+        await assert.isValidSignatureAsync(this._provider, orderHash, signedOrder.signature, signedOrder.makerAddress);
 
         const expirationUnixTimestampMs = signedOrder.expirationTimeSeconds.times(MILLISECONDS_IN_A_SECOND);
         this._expirationWatcher.addOrder(orderHash, expirationUnixTimestampMs);