diff --git a/src/wallet.cpp b/src/wallet.cpp
index 89a260480..efefb71b6 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -815,7 +815,7 @@ void CWalletTx::GetAmounts(list<COutputEntry>& listReceived,
     }
 
     // Sent/received.
-    for (int i = 0; i < vout.size(); ++i)
+    for (unsigned int i = 0; i < vout.size(); ++i)
     {
         const CTxOut& txout = vout[i];
         isminetype fIsMine = pwallet->IsMine(txout);
@@ -840,7 +840,7 @@ void CWalletTx::GetAmounts(list<COutputEntry>& listReceived,
             address = CNoDestination();
         }
 
-        COutputEntry output = {address, txout.nValue, i};
+        COutputEntry output = {address, txout.nValue, (int)i};
 
         // If we are debited by the transaction, add the output as a "sent" entry
         if (nDebit > 0)