diff --git a/contracts/dev-utils/contracts/src/OrderTransferSimulationUtils.sol b/contracts/dev-utils/contracts/src/OrderTransferSimulationUtils.sol
index b219b54983..de5f1d3276 100644
--- a/contracts/dev-utils/contracts/src/OrderTransferSimulationUtils.sol
+++ b/contracts/dev-utils/contracts/src/OrderTransferSimulationUtils.sol
@@ -40,9 +40,6 @@ contract OrderTransferSimulationUtils is
         TransfersSuccessful       // All transfers in the order were successful
     }
 
-    // simulateDispatchTransferFromCalls(bytes[],address[],address[],uint256[])
-    bytes4 constant internal _SIMULATE_DISPATCH_TRANSFER_FROM_CALLS_SELECTOR = 0xb04fbddd;
-
     // keccak256(abi.encodeWithSignature("Error(string)", "TRANSFERS_SUCCESSFUL"));
     bytes32 constant internal _TRANSFERS_SUCCESSFUL_RESULT_HASH = 0xf43f26ea5a94b478394a975e856464913dc1a8a1ca70939d974aa7c238aa0ce0;
 
@@ -101,7 +98,7 @@ contract OrderTransferSimulationUtils is
 
         // Encode data for `simulateDispatchTransferFromCalls(assetData, fromAddresses, toAddresses, amounts)`
         bytes memory simulateDispatchTransferFromCallsData = abi.encodeWithSelector(
-            _SIMULATE_DISPATCH_TRANSFER_FROM_CALLS_SELECTOR,
+            IExchange(address(0)).simulateDispatchTransferFromCalls.selector,
             assetData,
             fromAddresses,
             toAddresses,