1 files changed, 3 insertions, 3 deletions
diff --git a/src/bench/rpc_blockchain.cpp b/src/bench/rpc_blockchain.cpp
index 3bef64f720..2143bcf950 100644
--- a/src/bench/rpc_blockchain.cpp
+++ b/src/bench/rpc_blockchain.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2016-2020 The Bitcoin Core developers
+// Copyright (c) 2016-2021 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -23,8 +23,8 @@ struct TestBlockAndIndex {
     TestBlockAndIndex()
     {
         CDataStream stream(benchmark::data::block413567, SER_NETWORK, PROTOCOL_VERSION);
-        char a = '\0';
-        stream.write(&a, 1); // Prevent compaction
+        std::byte a{0};
+        stream.write({&a, 1}); // Prevent compaction
 
         stream >> block;