1 files changed, 2 insertions, 2 deletions
diff --git a/src/undo.h b/src/undo.h
index 673a1f00ef..f292924165 100644
--- a/src/undo.h
+++ b/src/undo.h
@@ -25,7 +25,7 @@ class TxInUndoSerializer
 public:
     template<typename Stream>
     void Serialize(Stream &s) const {
-        ::Serialize(s, VARINT(txout->nHeight * 2 + (txout->fCoinBase ? 1 : 0)));
+        ::Serialize(s, VARINT(txout->nHeight * 2 + (txout->fCoinBase ? 1u : 0u)));
         if (txout->nHeight > 0) {
             // Required to maintain compatibility with older undo format.
             ::Serialize(s, (unsigned char)0);
@@ -51,7 +51,7 @@ public:
             // Old versions stored the version number for the last spend of
             // a transaction's outputs. Non-final spends were indicated with
             // height = 0.
-            int nVersionDummy;
+            unsigned int nVersionDummy;
             ::Unserialize(s, VARINT(nVersionDummy));
         }
         ::Unserialize(s, CTxOutCompressor(REF(txout->out)));