diff --git a/core/types/withdrawal.go b/core/types/withdrawal.go
index d1ad918f98..6f99e53b56 100644
--- a/core/types/withdrawal.go
+++ b/core/types/withdrawal.go
@@ -18,6 +18,7 @@ package types
 
 import (
 	"bytes"
+	"reflect"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
@@ -48,6 +49,12 @@ type Withdrawals []*Withdrawal
 // Len returns the length of s.
 func (s Withdrawals) Len() int { return len(s) }
 
+var withdrawalSize = int(reflect.TypeOf(Withdrawal{}).Size())
+
+func (s Withdrawals) Size() int {
+	return withdrawalSize * len(s)
+}
+
 // EncodeIndex encodes the i'th withdrawal to w. Note that this does not check for errors
 // because we assume that *Withdrawal will only ever contain valid withdrawals that were either
 // constructed by decoding or via public API in this package.
diff --git a/eth/downloader/queue.go b/eth/downloader/queue.go
index 267c23407f..5441ad1187 100644
--- a/eth/downloader/queue.go
+++ b/eth/downloader/queue.go
@@ -385,6 +385,7 @@ func (q *queue) Results(block bool) []*fetchResult {
 		for _, tx := range result.Transactions {
 			size += common.StorageSize(tx.Size())
 		}
+		size += common.StorageSize(result.Withdrawals.Size())
 		q.resultSize = common.StorageSize(blockCacheSizeWeight)*size +
 			(1-common.StorageSize(blockCacheSizeWeight))*q.resultSize
 	}