diff --git a/op-program/client/l2/engineapi/block_processor.go b/op-program/client/l2/engineapi/block_processor.go
index 22c6e1441401e..c6966e0d94c2f 100644
--- a/op-program/client/l2/engineapi/block_processor.go
+++ b/op-program/client/l2/engineapi/block_processor.go
@@ -68,7 +68,7 @@ func NewBlockProcessorFromHeader(provider BlockDataProvider, h *types.Header) (*
 		return nil, fmt.Errorf("get parent state: %w", err)
 	}
 	header.Number = new(big.Int).Add(parentHeader.Number, common.Big1)
-	header.BaseFee = eip1559.CalcBaseFee(provider.Config(), parentHeader)
+	header.BaseFee = eip1559.CalcBaseFee(provider.Config(), parentHeader, header.Time)
 	header.GasUsed = 0
 	gasPool := new(core.GasPool).AddGas(header.GasLimit)
 	return &BlockProcessor{