diff --git a/consensus/misc/eip1559/eip1559.go b/consensus/misc/eip1559/eip1559.go
index 5893783c3a..fb18096330 100644
--- a/consensus/misc/eip1559/eip1559.go
+++ b/consensus/misc/eip1559/eip1559.go
@@ -89,7 +89,7 @@ func CalcBaseFee(config *params.ChainConfig, parent *types.Header) *big.Int {
 		num.SetUint64(parentGasTarget - parent.GasUsed)
 		num.Mul(num, parent.BaseFee)
 		num.Div(num, denom.SetUint64(parentGasTarget))
-		num.Div(num, denom.SetUint64(config.BaseFeeChangeDenominator()))
+		num.Div(num, denom.SetUint64(baseFeeChangeDenominatorUint64))
 
 		baseFee := num.Sub(parent.BaseFee, num)
 		if baseFee.Cmp(common.Big0) < 0 {