diff --git a/beacon/engine/types.go b/beacon/engine/types.go
index a73691ca05..6ef8862c72 100644
--- a/beacon/engine/types.go
+++ b/beacon/engine/types.go
@@ -18,6 +18,7 @@ package engine
 
 import (
 	"fmt"
+	params2 "github.com/ethereum/go-ethereum/params"
 	"math/big"
 	"slices"
 
@@ -199,7 +200,7 @@ func ExecutableDataToBlock(params ExecutableData, versionedHashes []common.Hash,
 	if err != nil {
 		return nil, err
 	}
-	if len(params.ExtraData) > 32 {
+	if len(params.ExtraData) > int(params2.MaximumExtraDataSize) {
 		return nil, fmt.Errorf("invalid extradata length: %v", len(params.ExtraData))
 	}
 	if len(params.LogsBloom) != 256 {
diff --git a/consensus/beacon/consensus.go b/consensus/beacon/consensus.go
index b8946e0c71..19763ed303 100644
--- a/consensus/beacon/consensus.go
+++ b/consensus/beacon/consensus.go
@@ -229,7 +229,7 @@ func (beacon *Beacon) VerifyUncles(chain consensus.ChainReader, block *types.Blo
 // (c) the extradata is limited to 32 bytes
 func (beacon *Beacon) verifyHeader(chain consensus.ChainHeaderReader, header, parent *types.Header) error {
 	// Ensure that the header's extra-data section is of a reasonable size
-	if len(header.Extra) > 32 {
+	if len(header.Extra) > int(params.MaximumExtraDataSize) {
 		return fmt.Errorf("extra-data longer than 32 bytes (%d)", len(header.Extra))
 	}
 	// Verify the seal parts. Ensure the nonce and uncle hash are the expected value.