1 files changed, 5 insertions, 3 deletions
diff --git a/packages/contract-wrappers/src/fetchers/simple_order_filled_cancelled_fetcher.ts b/packages/contract-wrappers/src/fetchers/simple_order_filled_cancelled_fetcher.ts
index b6f31b205..52d0a100c 100644
--- a/packages/contract-wrappers/src/fetchers/simple_order_filled_cancelled_fetcher.ts
+++ b/packages/contract-wrappers/src/fetchers/simple_order_filled_cancelled_fetcher.ts
@@ -25,10 +25,12 @@ export class SimpleOrderFilledCancelledFetcher implements AbstractOrderFilledCan
         const cancelledTakerAmount = this._exchangeWrapper.getCancelledTakerAmountAsync(orderHash, methodOpts);
         return cancelledTakerAmount;
     }
-    public async getUnavailableTakerAmountAsync(orderHash: string) {
-        return this._exchangeWrapper.getUnavailableTakerAmountAsync(orderHash);
+    public async getUnavailableTakerAmountAsync(orderHash: string): Promise<BigNumber> {
+        const unavailableTakerAmount = await this._exchangeWrapper.getUnavailableTakerAmountAsync(orderHash);
+        return unavailableTakerAmount;
     }
     public getZRXTokenAddress(): string {
-        return this._exchangeWrapper.getZRXTokenAddress();
+        const zrxToken = this._exchangeWrapper.getZRXTokenAddress();
+        return zrxToken;
     }
 }