1 files changed, 1 insertions, 1 deletions
diff --git a/src/key_io.cpp b/src/key_io.cpp
index 5bcbb8a069..a373a2201d 100644
--- a/src/key_io.cpp
+++ b/src/key_io.cpp
@@ -228,7 +228,7 @@ std::string EncodeSecret(const CKey& key)
 {
     assert(key.IsValid());
     std::vector<unsigned char> data = Params().Base58Prefix(CChainParams::SECRET_KEY);
-    data.insert(data.end(), key.begin(), key.end());
+    data.insert(data.end(), UCharCast(key.begin()), UCharCast(key.end()));
     if (key.IsCompressed()) {
         data.push_back(1);
     }