diff --git a/contracts/asset-proxy/contracts/src/ERC1155Proxy.sol b/contracts/asset-proxy/contracts/src/ERC1155Proxy.sol
index 1249616714..4a80754532 100644
--- a/contracts/asset-proxy/contracts/src/ERC1155Proxy.sol
+++ b/contracts/asset-proxy/contracts/src/ERC1155Proxy.sol
@@ -26,7 +26,7 @@ contract ERC1155Proxy is
 {
 
     // Id of this proxy.
-    bytes4 constant internal PROXY_ID = bytes4(keccak256("ERC1155Token(address,uint256[],uint256[],bytes)"));
+    bytes4 constant internal PROXY_ID = bytes4(keccak256("ERC1155Assets(address,uint256[],uint256[],bytes)"));
 
     function () 
         external
diff --git a/contracts/asset-proxy/test/erc1155_proxy.ts b/contracts/asset-proxy/test/erc1155_proxy.ts
index f55e11024f..f0044125f4 100644
--- a/contracts/asset-proxy/test/erc1155_proxy.ts
+++ b/contracts/asset-proxy/test/erc1155_proxy.ts
@@ -15,7 +15,7 @@ import {
     web3Wrapper,
 } from '@0x/contracts-test-utils';
 import { BlockchainLifecycle } from '@0x/dev-utils';
-import { RevertReason } from '@0x/types';
+import { AssetProxyId, RevertReason } from '@0x/types';
 import { BigNumber } from '@0x/utils';
 import * as chai from 'chai';
 import { LogWithDecodedArgs } from 'ethereum-types';
@@ -123,8 +123,7 @@ describe('ERC1155Proxy', () => {
         });
         it('should have an id of 0x9645780d', async () => {
             const proxyId = await erc1155Proxy.getProxyId.callAsync();
-            // proxy computed using -- bytes4(keccak256("erc1155Token(address,uint256[],uint256[],bytes)"));
-            const expectedProxyId = '0x9645780d';
+            const expectedProxyId = AssetProxyId.ERC1155;
             expect(proxyId).to.equal(expectedProxyId);
         });
     });
diff --git a/packages/order-utils/CHANGELOG.json b/packages/order-utils/CHANGELOG.json
index 587b633ce0..48ddd60dda 100644
--- a/packages/order-utils/CHANGELOG.json
+++ b/packages/order-utils/CHANGELOG.json
@@ -7,7 +7,7 @@
                 "pr": 1705
             },
             {
-                "note": "Added encoding/decoding fdor ERC1155 asset data",
+                "note": "Added encoding/decoding for ERC1155 asset data",
                 "pr": 1661
             }
         ],
diff --git a/packages/order-utils/src/asset_data_utils.ts b/packages/order-utils/src/asset_data_utils.ts
index 2acf57d5f6..799716a6d4 100644
--- a/packages/order-utils/src/asset_data_utils.ts
+++ b/packages/order-utils/src/asset_data_utils.ts
@@ -91,7 +91,7 @@ export const assetDataUtils = {
         tokenValues: BigNumber[],
         callbackData: string,
     ): string {
-        const abiEncoder = AbiEncoder.createMethod('ERC1155Token', ERC1155AssetDataAbi);
+        const abiEncoder = AbiEncoder.createMethod('ERC1155Assets', ERC1155AssetDataAbi);
         const args = [tokenAddress, tokenIds, tokenValues, callbackData];
         const assetData = abiEncoder.encode(args, encodingRules);
         return assetData;
@@ -106,7 +106,7 @@ export const assetDataUtils = {
         if (assetProxyId !== AssetProxyId.ERC1155) {
             throw new Error(`Invalid assetProxyId. Expected '${AssetProxyId.ERC1155}', got '${assetProxyId}'`);
         }
-        const abiEncoder = AbiEncoder.createMethod('ERC1155Token', ERC1155AssetDataAbi);
+        const abiEncoder = AbiEncoder.createMethod('ERC1155Assets', ERC1155AssetDataAbi);
         // tslint:disable-next-line:no-unnecessary-type-assertion
         const decodedAssetData = abiEncoder.decode(assetData, decodingRules) as ERC1155AssetDataNoProxyId;
         return {
diff --git a/packages/order-utils/test/asset_data_utils_test.ts b/packages/order-utils/test/asset_data_utils_test.ts
index 203956948e..96ea36307a 100644
--- a/packages/order-utils/test/asset_data_utils_test.ts
+++ b/packages/order-utils/test/asset_data_utils_test.ts
@@ -27,7 +27,7 @@ const KNOWN_ERC1155_ENCODING = {
     callbackData:
         '0x025717920000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c480000000000000000000000000000000000000000000000000000000000000001',
     assetData:
-        '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',
+        '0xa7cb5fb70000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c480000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001800000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006400000000000000000000000000000000000000000000000000000000000003e90000000000000000000000000000000000000000000000000000000000002711000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000c800000000000000000000000000000000000000000000000000000000000007d10000000000000000000000000000000000000000000000000000000000004e210000000000000000000000000000000000000000000000000000000000000044025717920000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c48000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000',
 };
 const KNOWN_MULTI_ASSET_ENCODING = {
     amounts: [new BigNumber(70), new BigNumber(1), new BigNumber(18)],
@@ -37,7 +37,7 @@ const KNOWN_MULTI_ASSET_ENCODING = {
         KNOWN_ERC1155_ENCODING.assetData,
     ],
     assetData:
-        '0x94cfcdd7000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000046000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000001400000000000000000000000000000000000000000000000000000000000000024f47261b00000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c48000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000044025717920000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c4800000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002049645780d0000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c480000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001800000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006400000000000000000000000000000000000000000000000000000000000003e90000000000000000000000000000000000000000000000000000000000002711000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000c800000000000000000000000000000000000000000000000000000000000007d10000000000000000000000000000000000000000000000000000000000004e210000000000000000000000000000000000000000000000000000000000000044025717920000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c4800000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
+        '0x94cfcdd7000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000046000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000001400000000000000000000000000000000000000000000000000000000000000024f47261b00000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c48000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000044025717920000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c480000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000204a7cb5fb70000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c480000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001800000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006400000000000000000000000000000000000000000000000000000000000003e90000000000000000000000000000000000000000000000000000000000002711000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000c800000000000000000000000000000000000000000000000000000000000007d10000000000000000000000000000000000000000000000000000000000004e210000000000000000000000000000000000000000000000000000000000000044025717920000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c4800000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
 };
 
 describe('assetDataUtils', () => {
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index f694575f6c..b61fb7db69 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -163,7 +163,7 @@ export enum AssetProxyId {
     ERC20 = '0xf47261b0',
     ERC721 = '0x02571792',
     MultiAsset = '0x94cfcdd7',
-    ERC1155 = '0x9645780d',
+    ERC1155 = '0xa7cb5fb7',
 }
 
 export interface ERC20AssetData {