diff --git a/src/factory/ImmutableMultiChainDeployer.sol b/src/factory/ImmutableMultiChainDeployer.sol
index ca3d0c4..bf7bb84 100644
--- a/src/factory/ImmutableMultiChainDeployer.sol
+++ b/src/factory/ImmutableMultiChainDeployer.sol
@@ -8,6 +8,7 @@ import {RateLimiter} from "@layerzerolabs/lz-evm-oapp-v2/contracts/oapp/utils/Ra
 import {IImmutableMultiChainDeployer} from "@interfaces/IImmutableMultiChainDeployer.sol";
 import {L2YnOFTAdapterUpgradeable} from "@adapters/L2YnOFTAdapterUpgradeable.sol";
 import {L2YnERC20Upgradeable} from "@adapters/L2YnERC20Upgradeable.sol";
+import "forge-std/console.sol";
 
 contract ImmutableMultiChainDeployer is IImmutableMultiChainDeployer {
     event ContractCreated(address deployedAddress);
@@ -67,11 +68,11 @@ contract ImmutableMultiChainDeployer is IImmutableMultiChainDeployer {
         address _lzEndpoint,
         address _owner,
         RateLimiter.RateLimitConfig[] calldata _rateLimitConfigs,
-        address _proxyController
+        address _proxyController,
+        bytes memory _l2YnOFTAdapterBytecode
     ) public returns (address _deployedContract) {
-        bytes memory bytecode = type(L2YnOFTAdapterUpgradeable).creationCode;
         bytes memory constructorParams = abi.encode(_token, _lzEndpoint);
-        bytes memory contractCode = abi.encodePacked(bytecode, constructorParams);
+        bytes memory contractCode = abi.encodePacked(_l2YnOFTAdapterBytecode, constructorParams);
 
         address adapterImpl = deploy(_implSalt, contractCode);
         _deployedContract = deployProxy(_proxySalt, adapterImpl, _proxyController);
@@ -85,9 +86,10 @@ contract ImmutableMultiChainDeployer is IImmutableMultiChainDeployer {
         string memory _name,
         string memory _symbol,
         address _owner,
-        address _proxyController
+        address _proxyController,
+        bytes memory _l2YnERC20UpgradeableByteCode
     ) public returns (address _deployedContract) {
-        address adapterImpl = deploy(_implSalt, type(L2YnERC20Upgradeable).creationCode);
+        address adapterImpl = deploy(_implSalt, _l2YnERC20UpgradeableByteCode);
         _deployedContract = deployProxy(_proxySalt, adapterImpl, _proxyController);
         L2YnERC20Upgradeable(_deployedContract).initialize(_name, _symbol, _owner);
     }
diff --git a/src/interfaces/IImmutableMultiChainDeployer.sol b/src/interfaces/IImmutableMultiChainDeployer.sol
index cca3a8d..32dfe74 100644
--- a/src/interfaces/IImmutableMultiChainDeployer.sol
+++ b/src/interfaces/IImmutableMultiChainDeployer.sol
@@ -31,7 +31,8 @@ interface IImmutableMultiChainDeployer {
         address _lzEndpoint,
         address _owner,
         RateLimiter.RateLimitConfig[] calldata _rateLimitConfigs,
-        address _proxyController
+        address _proxyController,
+        bytes memory _l2YnOFTAdapterBytecode
     ) external returns (address deployed);
 
     /// @notice Deploys a deployYnERC20 contract using CREATE3 and initializes in the same call
@@ -49,7 +50,8 @@ interface IImmutableMultiChainDeployer {
         string memory _name,
         string memory _symbol,
         address _owner,
-        address _proxyController
+        address _proxyController,
+        bytes memory _l2YnOFTAdapterBytecode
     ) external returns (address deployed);
 
     /// @notice Predicts the address of a deployed contract
diff --git a/test/CrossChainBaseTest.t.sol b/test/CrossChainBaseTest.t.sol
index c623b85..8bb2289 100644
--- a/test/CrossChainBaseTest.t.sol
+++ b/test/CrossChainBaseTest.t.sol
@@ -35,6 +35,10 @@ contract CrossChainBaseTest is TestHelper {
     L2YnERC20Upgradeable public optimismERC20;
     L2YnERC20Upgradeable public arbitrumERC20;
 
+    bytes public l2YnOFTAdapterByteCode = type(L2YnOFTAdapterUpgradeable).creationCode;
+    bytes public l1YnOFTAdapterByteCode = type(L1YnOFTAdapterUpgradeable).creationCode;
+    bytes public l2YnERC20ByteCode = type(L2YnERC20Upgradeable).creationCode;
+
     address mainnetOFTAdapterImpl;
 
     uint256 optimismFork;
@@ -86,7 +90,13 @@ contract CrossChainBaseTest is TestHelper {
             bytes32 optimismERC20ProxySalt = createSalt(_deployer, "ERC20Proxy");
             optimismERC20 = L2YnERC20Upgradeable(
                 optimismDeployer.deployL2YnERC20(
-                    optimismERC20Salt, optimismERC20ProxySalt, "Test Token", "TEST", _owner, _controller
+                    optimismERC20Salt,
+                    optimismERC20ProxySalt,
+                    "Test Token",
+                    "TEST",
+                    _owner,
+                    _controller,
+                    l2YnERC20ByteCode
                 )
             );
             bytes32 optimismOFTAdapterSalt = createSalt(_deployer, "OFTAdapter");
@@ -99,7 +109,8 @@ contract CrossChainBaseTest is TestHelper {
                     address(optimismLzEndpoint),
                     _owner,
                     _rateLimitConfigs,
-                    _controller
+                    _controller,
+                    l2YnOFTAdapterByteCode
                 )
             );
         }
@@ -111,7 +122,13 @@ contract CrossChainBaseTest is TestHelper {
             bytes32 arbitrumERC20ProxySalt = createSalt(_deployer, "ERC20Proxy");
             arbitrumERC20 = L2YnERC20Upgradeable(
                 arbitrumDeployer.deployL2YnERC20(
-                    arbitrumERC20Salt, arbitrumERC20ProxySalt, "Test Token", "TEST", _owner, _controller
+                    arbitrumERC20Salt,
+                    arbitrumERC20ProxySalt,
+                    "Test Token",
+                    "TEST",
+                    _owner,
+                    _controller,
+                    l2YnERC20ByteCode
                 )
             );
             bytes32 arbitrumOFTAdapterSalt = createSalt(_deployer, "OFTAdapter");
@@ -124,7 +141,8 @@ contract CrossChainBaseTest is TestHelper {
                     address(arbitrumLzEndpoint),
                     _owner,
                     _rateLimitConfigs,
-                    _controller
+                    _controller,
+                    l2YnOFTAdapterByteCode
                 )
             );
         }
diff --git a/test/MultiChainDeployer.t.sol b/test/MultiChainDeployer.t.sol
index 6328a67..c9aaec7 100644
--- a/test/MultiChainDeployer.t.sol
+++ b/test/MultiChainDeployer.t.sol
@@ -35,7 +35,8 @@ contract Test_ImmutableMultiChainDeployer is CrossChainBaseTest {
                 address(arbitrumLzEndpoint),
                 _owner,
                 _rateLimitConfigs,
-                _controller
+                _controller,
+                l2YnOFTAdapterByteCode
             )
         );
     }