diff --git a/contracts/zero-ex/contracts/src/storage/LibPuppetPoolStorage.sol b/contracts/zero-ex/contracts/src/storage/LibPuppetPoolStorage.sol
index 9eab4edcdb..e3931863fd 100644
--- a/contracts/zero-ex/contracts/src/storage/LibPuppetPoolStorage.sol
+++ b/contracts/zero-ex/contracts/src/storage/LibPuppetPoolStorage.sol
@@ -46,9 +46,9 @@ library LibPuppetPoolStorage {
 
     /// @dev Get the storage bucket for this contract.
     function getStorage() internal pure returns (Storage storage stor) {
-        uint256 storageOffset = LibStorage.getStorageOffset(
+        uint256 storageSlot = LibStorage.getStorageSlot(
             LibStorage.StorageId.PuppetPool
         );
-        assembly { stor_slot := storageOffset }
+        assembly { stor_slot := storageSlot }
     }
 }