diff --git a/packages/protocol/contracts/hekla/HeklaTaikoL1.sol b/packages/protocol/contracts/hekla/HeklaTaikoL1.sol
index 3608fdff5c..3fd97ebf8d 100644
--- a/packages/protocol/contracts/hekla/HeklaTaikoL1.sol
+++ b/packages/protocol/contracts/hekla/HeklaTaikoL1.sol
@@ -10,7 +10,7 @@ contract HeklaTaikoL1 is TaikoL1 {
     /// @inheritdoc ITaikoL1
     function getConfig() public pure override returns (TaikoData.Config memory) {
         return TaikoData.Config({
-            chainId: LibNetwork.TAIKO_MAINNET,
+            chainId: LibNetwork.TAIKO_HEKLA,
             // Never change this value as ring buffer is being reused!!!
             blockMaxProposals: 324_000,
             // Never change this value as ring buffer is being reused!!!