Await ZRX call

1 files changed, 1 insertions, 1 deletions

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;
     }
 }