diff --git a/l1-contracts/deploy-scripts/DeployL2Contracts.sol b/l1-contracts/deploy-scripts/DeployL2Contracts.sol
index dddd26b25..b361e221d 100644
--- a/l1-contracts/deploy-scripts/DeployL2Contracts.sol
+++ b/l1-contracts/deploy-scripts/DeployL2Contracts.sol
@@ -295,13 +295,11 @@ contract DeployL2Script is Script {
     function initializeChain() internal {
         L1SharedBridge bridge = L1SharedBridge(config.l1SharedBridgeProxy);
 
-        Utils.executeUpgrade({
-            _governor: bridge.owner(),
-            _salt: bytes32(0),
+        Utils.chainAdminMulticall({
+            _chainAdmin: bridge.admin(),
             _target: config.l1SharedBridgeProxy,
             _data: abi.encodeCall(bridge.initializeChainGovernance, (config.chainId, config.l2SharedBridgeProxy)),
-            _value: 0,
-            _delay: 0
+            _value: 0
         });
     }
 }