diff --git a/contracts/asset-proxy/test/erc1155_proxy.ts b/contracts/asset-proxy/test/erc1155_proxy.ts
index fef6e7074f..1af6705873 100644
--- a/contracts/asset-proxy/test/erc1155_proxy.ts
+++ b/contracts/asset-proxy/test/erc1155_proxy.ts
@@ -17,7 +17,7 @@ import {
 import { BlockchainLifecycle } from '@0x/dev-utils';
 import { assetDataUtils } from '@0x/order-utils';
 import { AssetProxyId, RevertReason } from '@0x/types';
-import { BigNumber } from '@0x/utils';
+import { BigNumber, SafeMathRevertErrors } from '@0x/utils';
 import * as chai from 'chai';
 import { LogWithDecodedArgs } from 'ethereum-types';
 import * as ethUtil from 'ethereumjs-util';
@@ -1747,21 +1747,20 @@ describe('ERC1155Proxy', () => {
                 nftNotOwnerBalance,
             ];
             await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
+            const expectedError = new SafeMathRevertErrors.Uint256OverflowError(maxUintValue, valueMultiplier);
             // execute transfer
             // note - this will overflow because we are trying to transfer `maxUintValue * 2` of the 2nd token
-            await expectTransactionFailedAsync(
-                erc1155ProxyWrapper.transferFromAsync(
-                    spender,
-                    receiver,
-                    erc1155Contract.address,
-                    tokensToTransfer,
-                    valuesToTransfer,
-                    valueMultiplier,
-                    receiverCallbackData,
-                    authorized,
-                ),
-                RevertReason.Uint256Overflow,
+            const tx = erc1155ProxyWrapper.transferFromAsync(
+                spender,
+                receiver,
+                erc1155Contract.address,
+                tokensToTransfer,
+                valuesToTransfer,
+                valueMultiplier,
+                receiverCallbackData,
+                authorized,
             );
+            expect(tx).to.revertWith(expectedError);
         });
         it('should revert if transferring > 1 instances of a non-fungible token (valueMultiplier field >1)', async () => {
             // setup test parameters
@@ -1831,20 +1830,22 @@ describe('ERC1155Proxy', () => {
             // check balances before transfer
             const expectedInitialBalances = [spenderInitialFungibleBalance, receiverInitialFungibleBalance];
             await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
-            // execute transfer
-            await expectTransactionFailedAsync(
-                erc1155ProxyWrapper.transferFromAsync(
-                    spender,
-                    receiver,
-                    erc1155Contract.address,
-                    tokensToTransfer,
-                    valuesToTransfer,
-                    valueMultiplier,
-                    receiverCallbackData,
-                    authorized,
-                ),
-                RevertReason.Uint256Underflow,
+            const expectedError = new SafeMathRevertErrors.Uint256UnderflowError(
+                spenderInitialFungibleBalance,
+                valueGreaterThanSpenderBalance,
             );
+            // execute transfer
+            const tx = erc1155ProxyWrapper.transferFromAsync(
+                spender,
+                receiver,
+                erc1155Contract.address,
+                tokensToTransfer,
+                valuesToTransfer,
+                valueMultiplier,
+                receiverCallbackData,
+                authorized,
+            );
+            expect(tx).to.revertWith(expectedError);
         });
         it('should revert if sender allowance is insufficient', async () => {
             // dremove allowance for ERC1155 proxy
diff --git a/contracts/exchange/test/internal.ts b/contracts/exchange/test/internal.ts
index 8183bd6e69..9c4d964f03 100644
--- a/contracts/exchange/test/internal.ts
+++ b/contracts/exchange/test/internal.ts
@@ -54,7 +54,7 @@ const emptySignedOrder: SignedOrder = {
 const overflowErrorForCall = (
     a?: BigNumber | string | number, 
     b?: BigNumber | string | number,
-) => new SafeMathRevertErrors.Uint256OverflowError(a, b);
+) => new SafeMathRevertErrors.Uint256OverflowError();
 
 describe('Exchange core internal functions', () => {
     let chainId: number;