diff --git a/compat_test/compat_test.go b/compat_test/compat_test.go
index 2f9ec740c7..164ea96aae 100644
--- a/compat_test/compat_test.go
+++ b/compat_test/compat_test.go
@@ -19,6 +19,7 @@ import (
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/rpc"
 	"github.com/stretchr/testify/require"
@@ -40,7 +41,7 @@ var (
 	celoRpcURL        string
 	opGethRpcURL      string
 	startBlock        uint64
-	gingerbreadBlocks = map[uint64]uint64{42220: 21616000, 62320: 18785000, 44787: 19814000}
+	gingerbreadBlocks = map[uint64]uint64{params.CeloMainnetChainID: 21616000, params.CeloBaklavaChainID: 18785000, params.CeloAlfajoresChainID: 19814000}
 )
 
 func init() {
diff --git a/contracts/addresses/addresses.go b/contracts/addresses/addresses.go
index 593e3d36e5..500054bc70 100644
--- a/contracts/addresses/addresses.go
+++ b/contracts/addresses/addresses.go
@@ -12,7 +12,4 @@ var (
 
 	CeloTokenBaklavaAddress  = common.HexToAddress("0xdDc9bE57f553fe75752D61606B94CBD7e0264eF8")
 	FeeHandlerBaklavaAddress = common.HexToAddress("0xeed0A69c51079114C280f7b936C79e24bD94013e")
-
-	AlfajoresChainID uint64 = 44787
-	BaklavaChainID   uint64 = 62320
 )
diff --git a/core/state_transition.go b/core/state_transition.go
index 01040ac39d..acab219086 100644
--- a/core/state_transition.go
+++ b/core/state_transition.go
@@ -766,10 +766,10 @@ func (st *StateTransition) distributeTxFees() error {
 
 	feeCurrency := st.msg.FeeCurrency
 	feeHandlerAddress := addresses.FeeHandlerAddress
-	if st.evm.ChainConfig().ChainID != nil && st.evm.ChainConfig().ChainID.Uint64() == addresses.AlfajoresChainID {
+	if st.evm.ChainConfig().ChainID != nil && st.evm.ChainConfig().ChainID.Uint64() == params.CeloAlfajoresChainID {
 		feeHandlerAddress = addresses.FeeHandlerAlfajoresAddress
 	}
-	if st.evm.ChainConfig().ChainID != nil && st.evm.ChainConfig().ChainID.Uint64() == addresses.BaklavaChainID {
+	if st.evm.ChainConfig().ChainID != nil && st.evm.ChainConfig().ChainID.Uint64() == params.CeloBaklavaChainID {
 		feeHandlerAddress = addresses.FeeHandlerBaklavaAddress
 	}
 
diff --git a/core/types/rollup_cost.go b/core/types/rollup_cost.go
index e0bc26d92f..9df5aa2049 100644
--- a/core/types/rollup_cost.go
+++ b/core/types/rollup_cost.go
@@ -124,6 +124,11 @@ func NewL1CostFunc(config *params.ChainConfig, statedb StateGetter) L1CostFunc {
 	forBlock := ^uint64(0)
 	var cachedFunc l1CostFunc
 	selectFunc := func(blockTime uint64) l1CostFunc {
+		// Alfajores requires a custom cost function see link for a detailed explanation
+		// https://github.com/celo-org/op-geth/pull/271
+		if config.IsCel2(blockTime) && config.ChainID.Uint64() == params.CeloAlfajoresChainID {
+			return func(rcd RollupCostData) (fee, gasUsed *big.Int) { return new(big.Int), new(big.Int) }
+		}
 		if !config.IsOptimismEcotone(blockTime) {
 			return newL1CostFuncBedrock(config, statedb, blockTime)
 		}
diff --git a/core/vm/celo_contracts.go b/core/vm/celo_contracts.go
index f1e0a0f207..a95baa728e 100644
--- a/core/vm/celo_contracts.go
+++ b/core/vm/celo_contracts.go
@@ -48,10 +48,10 @@ func celoPrecompileAddress(index byte) common.Address {
 
 func (ctx *celoPrecompileContext) IsCallerCeloToken() (bool, error) {
 	tokenAddress := addresses.CeloTokenAddress
-	if ctx.evm.ChainConfig().ChainID != nil && ctx.evm.ChainConfig().ChainID.Uint64() == addresses.AlfajoresChainID {
+	if ctx.evm.ChainConfig().ChainID != nil && ctx.evm.ChainConfig().ChainID.Uint64() == params.CeloAlfajoresChainID {
 		tokenAddress = addresses.CeloTokenAlfajoresAddress
 	}
-	if ctx.evm.ChainConfig().ChainID != nil && ctx.evm.ChainConfig().ChainID.Uint64() == addresses.BaklavaChainID {
+	if ctx.evm.ChainConfig().ChainID != nil && ctx.evm.ChainConfig().ChainID.Uint64() == params.CeloBaklavaChainID {
 		tokenAddress = addresses.CeloTokenBaklavaAddress
 	}
 
diff --git a/internal/ethapi/celo_api_test.go b/internal/ethapi/celo_api_test.go
index 7cf030547e..cf93b4f573 100644
--- a/internal/ethapi/celo_api_test.go
+++ b/internal/ethapi/celo_api_test.go
@@ -405,7 +405,7 @@ func TestNewRPCTransactionDynamicFee(t *testing.T) {
 func allEnabledChainConfig() *params.ChainConfig {
 	zeroTime := uint64(0)
 	return &params.ChainConfig{
-		ChainID:             big.NewInt(44787),
+		ChainID:             big.NewInt(params.CeloAlfajoresChainID),
 		HomesteadBlock:      big.NewInt(0),
 		EIP150Block:         big.NewInt(0),
 		EIP155Block:         big.NewInt(0),
diff --git a/params/config.go b/params/config.go
index 876e584a31..1377b8e7b6 100644
--- a/params/config.go
+++ b/params/config.go
@@ -36,6 +36,8 @@ const (
 	OPMainnetChainID        = 10
 	OPGoerliChainID         = 420
 	CeloMainnetChainID      = 42220
+	CeloBaklavaChainID      = 62320
+	CeloAlfajoresChainID    = 44787
 	BaseMainnetChainID      = 8453
 	BaseGoerliChainID       = 84531
 	baseSepoliaChainID      = 84532