diff --git a/packages/protocol/contracts/layer1/based/TaikoL1.sol b/packages/protocol/contracts/layer1/based/TaikoL1.sol
index c9bf899783e..9864fd037fc 100644
--- a/packages/protocol/contracts/layer1/based/TaikoL1.sol
+++ b/packages/protocol/contracts/layer1/based/TaikoL1.sol
@@ -49,7 +49,7 @@ contract TaikoL1 is EssentialContract, ITaikoL1, TaikoEvents {
         bool _toPause
     )
         external
-        initializer
+        reinitializer(2)
     {
         __Essential_init(_owner, _rollupAddressManager);
         LibUtils.init(state, getConfig(), _genesisBlockHash);
diff --git a/packages/protocol/contracts/shared/bridge/Bridge.sol b/packages/protocol/contracts/shared/bridge/Bridge.sol
index d160c5a7436..813445ef678 100644
--- a/packages/protocol/contracts/shared/bridge/Bridge.sol
+++ b/packages/protocol/contracts/shared/bridge/Bridge.sol
@@ -104,7 +104,7 @@ contract Bridge is EssentialContract, IBridge {
     /// @notice Initializes the contract.
     /// @param _owner The owner of this contract. msg.sender will be used if this value is zero.
     /// @param _sharedAddressManager The address of the {AddressManager} contract.
-    function init(address _owner, address _sharedAddressManager) external initializer {
+    function init(address _owner, address _sharedAddressManager) external reinitializer(2) {
         __Essential_init(_owner, _sharedAddressManager);
     }
 
diff --git a/packages/protocol/contracts/shared/common/AddressManager.sol b/packages/protocol/contracts/shared/common/AddressManager.sol
index ad064952fe2..d16e9f97c55 100644
--- a/packages/protocol/contracts/shared/common/AddressManager.sol
+++ b/packages/protocol/contracts/shared/common/AddressManager.sol
@@ -24,10 +24,9 @@ contract AddressManager is EssentialContract, IAddressManager {
     error AM_ADDRESS_ALREADY_SET();
 
     /// @notice Initializes the contract.
-    /// @param _owner The owner of this contract. msg.sender will be used if this value is zero.
-    function init(address _owner) external initializer {
-        __Essential_init(_owner);
-        addressManager = address(this);
+    /// @param _owner The owner of this contract.
+    function init(address _owner) external reinitializer(2) {
+        __Essential_init(_owner, address(this));
     }
 
     function init2() external onlyOwner reinitializer(2) {