diff --git a/core/types/withdrawal.go b/core/types/withdrawal.go
index d1ad918f98..0fea969e67 100644
--- a/core/types/withdrawal.go
+++ b/core/types/withdrawal.go
@@ -18,6 +18,7 @@ package types
 
 import (
 	"bytes"
+	"unsafe"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
@@ -42,6 +43,10 @@ type withdrawalMarshaling struct {
 	Amount    hexutil.Uint64
 }
 
+func (w Withdrawal) Size() common.StorageSize {
+	return common.StorageSize(unsafe.Sizeof(w))
+}
+
 // Withdrawals implements DerivableList for withdrawals.
 type Withdrawals []*Withdrawal
 
diff --git a/eth/downloader/queue.go b/eth/downloader/queue.go
index 267c23407f..8346d40232 100644
--- a/eth/downloader/queue.go
+++ b/eth/downloader/queue.go
@@ -385,6 +385,9 @@ func (q *queue) Results(block bool) []*fetchResult {
 		for _, tx := range result.Transactions {
 			size += common.StorageSize(tx.Size())
 		}
+		for _, withdrawal := range result.Withdrawals {
+			size += withdrawal.Size()
+		}
 		q.resultSize = common.StorageSize(blockCacheSizeWeight)*size +
 			(1-common.StorageSize(blockCacheSizeWeight))*q.resultSize
 	}