diff --git a/packages/protocol/contracts/layer1/based/LibProposing.sol b/packages/protocol/contracts/layer1/based/LibProposing.sol
index e5a2e089af9..4011b840e49 100644
--- a/packages/protocol/contracts/layer1/based/LibProposing.sol
+++ b/packages/protocol/contracts/layer1/based/LibProposing.sol
@@ -124,9 +124,9 @@ library LibProposing {
             revert L1_TOO_MANY_BLOCKS();
         }
 
-        address preconfRegistry = _resolver.resolve(LibStrings.B_PRECONF_REGISTRY, true);
-        if (preconfRegistry != address(0)) {
-            if (preconfRegistry != msg.sender) revert L1_INVALID_PROPOSER();
+        address preconfTaskManager = _resolver.resolve(LibStrings.B_PRECONF_TASK_MANAGER, true);
+        if (preconfTaskManager != address(0)) {
+            if (preconfTaskManager != msg.sender) revert L1_INVALID_PROPOSER();
             local.allowCustomProposer = true;
         }
 
diff --git a/packages/protocol/contracts/layer1/mainnet/addrcache/RollupAddressCache.sol b/packages/protocol/contracts/layer1/mainnet/addrcache/RollupAddressCache.sol
index 22a3542a2f0..3de57d1f465 100644
--- a/packages/protocol/contracts/layer1/mainnet/addrcache/RollupAddressCache.sol
+++ b/packages/protocol/contracts/layer1/mainnet/addrcache/RollupAddressCache.sol
@@ -48,7 +48,7 @@ contract RollupAddressCache is AddressCache {
         if (_name == LibStrings.B_AUTOMATA_DCAP_ATTESTATION) {
             return (true, 0x8d7C954960a36a7596d7eA4945dDf891967ca8A3);
         }
-        if (_name == LibStrings.B_PRECONF_REGISTRY) {
+        if (_name == LibStrings.B_PRECONF_TASK_MANAGER) {
             return (true, address(0));
         }
         if (_name == LibStrings.B_CHAIN_WATCHDOG) {
diff --git a/packages/protocol/contracts/shared/common/LibStrings.sol b/packages/protocol/contracts/shared/common/LibStrings.sol
index db4c00a20ae..b4e6093bfbe 100644
--- a/packages/protocol/contracts/shared/common/LibStrings.sol
+++ b/packages/protocol/contracts/shared/common/LibStrings.sol
@@ -14,7 +14,7 @@ library LibStrings {
     bytes32 internal constant B_ERC1155_VAULT = bytes32("erc1155_vault");
     bytes32 internal constant B_ERC20_VAULT = bytes32("erc20_vault");
     bytes32 internal constant B_ERC721_VAULT = bytes32("erc721_vault");
-    bytes32 internal constant B_PRECONF_REGISTRY = bytes32("preconf_registry");
+    bytes32 internal constant B_PRECONF_TASK_MANAGER = bytes32("preconf_task_manager");
     bytes32 internal constant B_PROVER_ASSIGNMENT = bytes32("PROVER_ASSIGNMENT");
     bytes32 internal constant B_PROVER_SET = bytes32("prover_set");
     bytes32 internal constant B_QUOTA_MANAGER = bytes32("quota_manager");