1 files changed, 7 insertions, 2 deletions
diff --git a/src/contract_wrappers/exchange_wrapper.ts b/src/contract_wrappers/exchange_wrapper.ts
index 744720c3a..a276b53ad 100644
--- a/src/contract_wrappers/exchange_wrapper.ts
+++ b/src/contract_wrappers/exchange_wrapper.ts
@@ -630,8 +630,13 @@ export class ExchangeWrapper extends ContractWrapper {
      */
     public async getProxyAuthorizedContractAddressesAsync(): Promise<string[]> {
         const exchangeContractAddresses = await this.getAvailableContractAddressesAsync();
-        const proxyAuthorizedExchangeContractAddresses = _.filter(
-            exchangeContractAddresses, this._isExchangeContractAddressProxyAuthrizedAsync.bind(this));
+        const proxyAuthorizedExchangeContractAddresses = [];
+        for (const exchangeContractAddress of exchangeContractAddresses) {
+            const isProxyAuthorized = await this._isExchangeContractAddressProxyAuthrizedAsync(exchangeContractAddress);
+            if (isProxyAuthorized) {
+                proxyAuthorizedExchangeContractAddresses.push(exchangeContractAddress);
+            }
+        }
         return proxyAuthorizedExchangeContractAddresses;
     }
     /**