diff --git a/core/rawdb/accessors_chain.go b/core/rawdb/accessors_chain.go
index 2a5c72dedc..4d064a3390 100644
--- a/core/rawdb/accessors_chain.go
+++ b/core/rawdb/accessors_chain.go
@@ -23,6 +23,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/params"
@@ -177,11 +178,8 @@ func ReadHeaderRLP(db ethdb.Reader, hash common.Hash, number uint64) rlp.RawValu
 	// comparison is necessary since ancient database only maintains
 	// the canonical data.
 	data, _ := db.Ancient(freezerHeaderTable, number)
-	if len(data) > 0 {
-		h, _ := db.Ancient(freezerHashTable, number)
-		if common.BytesToHash(h) == hash {
-			return data
-		}
+	if len(data) > 0 && crypto.Keccak256Hash(data) == hash {
+		return data
 	}
 	// Then try to look up the data in leveldb.
 	data, _ = db.Get(headerKey(number, hash))
@@ -193,11 +191,8 @@ func ReadHeaderRLP(db ethdb.Reader, hash common.Hash, number uint64) rlp.RawValu
 	// but when we reach into leveldb, the data was already moved. That would
 	// result in a not found error.
 	data, _ = db.Ancient(freezerHeaderTable, number)
-	if len(data) > 0 {
-		h, _ := db.Ancient(freezerHashTable, number)
-		if common.BytesToHash(h) == hash {
-			return data
-		}
+	if len(data) > 0 && crypto.Keccak256Hash(data) == hash {
+		return data
 	}
 	return nil // Can't find the data anywhere.
 }