diff --git a/support/src/utils/encryption.cpp b/support/src/utils/encryption.cpp
index 33f0a91e..80ee8c0b 100644
--- a/support/src/utils/encryption.cpp
+++ b/support/src/utils/encryption.cpp
@@ -61,7 +61,9 @@ auto kdf_config::generate_checksum() const -> std::uint64_t {
   tmp.checksum = 0;
 
   auto hash = utils::hash::create_hash_blake2b_64(tmp.to_header());
-  return *reinterpret_cast<std::uint64_t *>(hash.data());
+  std::uint64_t ret{};
+  std::memcpy(&ret, hash.data(), hash.size());
+  return ret;
 }
 
 auto kdf_config::from_header(data_cspan data, kdf_config &cfg,