From 15bd31e629b0a5d2bf8e611b356123dd68a4f6e7 Mon Sep 17 00:00:00 2001
From: Leonid Logvinov <logvinov.leon@gmail.com>
Date: Mon, 3 Jul 2017 12:00:43 -0700
Subject: Await ZRX call

---
 src/contract_wrappers/exchange_wrapper.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/contract_wrappers/exchange_wrapper.ts b/src/contract_wrappers/exchange_wrapper.ts
index 9f26c2b5d..fa946d6ad 100644
--- a/src/contract_wrappers/exchange_wrapper.ts
+++ b/src/contract_wrappers/exchange_wrapper.ts
@@ -846,7 +846,7 @@ export class ExchangeWrapper extends ContractWrapper {
     }
     private async _getZRXTokenAddressAsync(exchangeContractAddress: string): Promise<string> {
         const exchangeInstance = await this._getExchangeContractAsync(exchangeContractAddress);
-        const ZRXtokenAddress = exchangeInstance.ZRX.call();
+        const ZRXtokenAddress = await exchangeInstance.ZRX.call();
         return ZRXtokenAddress;
     }
 }
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