diff --git a/core/rawdb/accessors_chain.go b/core/rawdb/accessors_chain.go
index 690536cd5d..6b6af68bb7 100644
--- a/core/rawdb/accessors_chain.go
+++ b/core/rawdb/accessors_chain.go
@@ -318,7 +318,7 @@ func ReadHeaderRange(db ethdb.Reader, number uint64, count uint64) []rlp.RawValu
 		return rlpHeaders
 	}
 	// read remaining from ancients
-	max := count * 700
+	max := count * 700 * 3
 	data, err := db.AncientRange(freezerHeaderTable, i+1-count, count, max)
 	if err == nil && uint64(len(data)) == count {
 		// the data is on the order [h, h+1, .., n] -- reordering needed