diff --git a/core/rawdb/accessors_metadata.go b/core/rawdb/accessors_metadata.go
index 3302f0d81fae1..c415f9b5f6966 100644
--- a/core/rawdb/accessors_metadata.go
+++ b/core/rawdb/accessors_metadata.go
@@ -74,7 +74,7 @@ func WriteChainConfig(db ethdb.KeyValueWriter, hash common.Hash, cfg *params.Cha
 
 // ReadPreimage returns a Database instance with the key prefix for preimage entries.
 func ReadPreimage(db DatabaseReader, hash common.Hash) []byte {
-	data, _ := db.Get(append(preimagePrefix, hash.Bytes()...))
+	data, _ := db.Get(preimageKey(hash))
 	return data
 }