diff --git a/mainnet/2024-12-18-holocene-deployments/.env b/mainnet/2024-12-18-holocene-deployments/.env
index dd26c5a..5db7aaf 100644
--- a/mainnet/2024-12-18-holocene-deployments/.env
+++ b/mainnet/2024-12-18-holocene-deployments/.env
@@ -15,4 +15,3 @@ MAX_GAME_DEPTH=73
 SPLIT_DEPTH=30
 CLOCK_EXTENSION=10800
 MAX_CLOCK_DURATION=302400
-L2_CHAIN_ID=8453
diff --git a/mainnet/2024-12-18-holocene-deployments/Makefile b/mainnet/2024-12-18-holocene-deployments/Makefile
index 8793a6e..52deb8d 100644
--- a/mainnet/2024-12-18-holocene-deployments/Makefile
+++ b/mainnet/2024-12-18-holocene-deployments/Makefile
@@ -11,4 +11,4 @@ endif
 ##
 .PHONY: deploy
 deploy:
-	forge script --rpc-url $(L1_RPC_URL) DeployHoloceneContracts --ledger --hd-paths "m/44'/60'/$(LEDGER_ACCOUNT)'/0/0" --verify --broadcast
+	L2_CHAIN_ID=$(L2_CHAIN_ID) forge script --rpc-url $(L1_RPC_URL) DeployHoloceneContracts --ledger --hd-paths "m/44'/60'/$(LEDGER_ACCOUNT)'/0/0" --verify --broadcast