Fix type of ExchangeContract.getOrderHash.call

1 files changed, 1 insertions, 1 deletions

diff --git a/src/types.ts b/src/types.ts
index 137faee50..2400a9a60 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -119,7 +119,7 @@ export interface ExchangeContract extends ContractInstance {
         call: (orderHash: string) => Promise<BigNumber.BigNumber>;
     };
     getOrderHash: {
-        call: (orderAddresses: OrderAddresses, orderValues: OrderValues) => string;
+        call: (orderAddresses: OrderAddresses, orderValues: OrderValues) => Promise<string>;
     };
 }