diff --git a/contracts/exchange-forwarder/contracts/src/MixinAssets.sol b/contracts/exchange-forwarder/contracts/src/MixinAssets.sol
index cfea0598bc..6fa6f69a8f 100644
--- a/contracts/exchange-forwarder/contracts/src/MixinAssets.sol
+++ b/contracts/exchange-forwarder/contracts/src/MixinAssets.sol
@@ -146,6 +146,9 @@ contract MixinAssets is
         );
     }
 
+    /// @dev Decodes MultiAsset assetData and recursively transfers assets to sender.
+    /// @param assetData Byte array encoded for the respective asset proxy.
+    /// @param amount Amount of asset to transfer to sender.
     function _transferMultiAsset(
         bytes memory assetData,
         uint256 amount
diff --git a/contracts/exchange-forwarder/test/asset_test.ts b/contracts/exchange-forwarder/test/asset_test.ts
index 96f84ba275..51fe246e24 100644
--- a/contracts/exchange-forwarder/test/asset_test.ts
+++ b/contracts/exchange-forwarder/test/asset_test.ts
@@ -158,10 +158,20 @@ blockchainTests.resets('Supported asset type unit tests', env => {
             const result = await forwarder.areUnderlyingAssetsEqual(erc20AssetData, multiAssetData).callAsync();
             expect(result).to.be.false();
         });
-        it('returns true if assetData1 == assetData2 are MultiAsset', async () => {
+        it('returns true if assetData1 == assetData2 are MultiAsset (single nested asset)', async () => {
             const result = await forwarder.areUnderlyingAssetsEqual(multiAssetData, multiAssetData).callAsync();
             expect(result).to.be.true();
         });
+        it('returns true if assetData1 == assetData2 are MultiAsset (multiple nested assets)', async () => {
+            const assetData = assetDataEncoder
+                .MultiAsset(
+                    [getRandomInteger(0, constants.MAX_UINT256), new BigNumber(1)],
+                    [erc20AssetData, erc721AssetData],
+                )
+                .getABIEncodedTransactionData();
+            const result = await forwarder.areUnderlyingAssetsEqual(assetData, assetData).callAsync();
+            expect(result).to.be.true();
+        });
         it('returns false if assetData1 != assetData2 are MultiAsset', async () => {
             const differentMultiAssetData = assetDataEncoder
                 .MultiAsset([getRandomInteger(0, constants.MAX_UINT256)], [erc721AssetData])