1 files changed, 2 insertions, 2 deletions
diff --git a/packages/asset-buyer/src/asset_buyer.ts b/packages/asset-buyer/src/asset_buyer.ts
index b4b024d62..4344f070c 100644
--- a/packages/asset-buyer/src/asset_buyer.ts
+++ b/packages/asset-buyer/src/asset_buyer.ts
@@ -200,8 +200,8 @@ export class AssetBuyer {
         const etherTokenAssetData = this._getEtherTokenAssetDataOrThrow();
         if (!assetPairs.includes(etherTokenAssetData)) {
             return {
-                tokensAvailableInBaseUnits: 0,
-                ethValueAvailableInWei: 0,
+                tokensAvailableInBaseUnits: new BigNumber(0),
+                ethValueAvailableInWei: new BigNumber(0),
             };
         }