1 files changed, 3 insertions, 3 deletions
diff --git a/contracts/protocol/test/utils/fill_order_combinatorial_utils.ts b/contracts/protocol/test/utils/fill_order_combinatorial_utils.ts
index 2fd33bebd..c2f530e5b 100644
--- a/contracts/protocol/test/utils/fill_order_combinatorial_utils.ts
+++ b/contracts/protocol/test/utils/fill_order_combinatorial_utils.ts
@@ -469,7 +469,7 @@ export class FillOrderCombinatorialUtils {
         const remainingTakerAmountToFill = signedOrder.takerAssetAmount.minus(alreadyFilledTakerAmount);
         const expFilledTakerAmount = takerAssetFillAmount.gt(remainingTakerAmountToFill)
             ? remainingTakerAmountToFill
-            : alreadyFilledTakerAmount.add(takerAssetFillAmount);
+            : alreadyFilledTakerAmount.plus(takerAssetFillAmount);
 
         const expFilledMakerAmount = orderUtils.getPartialAmountFloor(
             expFilledTakerAmount,
@@ -644,7 +644,7 @@ export class FillOrderCombinatorialUtils {
                 break;
 
             case TakerAssetFillAmountScenario.GreaterThanRemainingFillableTakerAssetAmount:
-                takerAssetFillAmount = fillableTakerAssetAmount.add(1);
+                takerAssetFillAmount = fillableTakerAssetAmount.plus(1);
                 break;
 
             case TakerAssetFillAmountScenario.LessThanRemainingFillableTakerAssetAmount:
@@ -657,7 +657,7 @@ export class FillOrderCombinatorialUtils {
                         'Cannot test `TakerAssetFillAmountScenario.LessThanRemainingFillableTakerAssetAmount` together with ERC721 assets since orders involving ERC721 must always be filled exactly.',
                     );
                 }
-                takerAssetFillAmount = fillableTakerAssetAmount.div(2).floor();
+                takerAssetFillAmount = fillableTakerAssetAmount.div(2).integerValue(BigNumber.ROUND_FLOOR);
                 break;
 
             default: