1 files changed, 1 insertions, 1 deletions
diff --git a/src/key.cpp b/src/key.cpp
index 7eecc6e083..6b504558e1 100644
--- a/src/key.cpp
+++ b/src/key.cpp
@@ -237,7 +237,7 @@ bool CKey::VerifyPubKey(const CPubKey& pubkey) const {
     std::string str = "Bitcoin key verification\n";
     GetRandBytes(rnd, sizeof(rnd));
     uint256 hash;
-    CHash256().Write((unsigned char*)str.data(), str.size()).Write(rnd, sizeof(rnd)).Finalize(hash.begin());
+    CHash256().Write(MakeUCharSpan(str)).Write(rnd).Finalize(hash.begin());
     std::vector<unsigned char> vchSig;
     Sign(hash, vchSig);
     return pubkey.Verify(hash, vchSig);