1 files changed, 1 insertions, 1 deletions
diff --git a/src/rpcwallet.cpp b/src/rpcwallet.cpp
index 21f6bcae3d..470a48e4fb 100644
--- a/src/rpcwallet.cpp
+++ b/src/rpcwallet.cpp
@@ -1902,7 +1902,7 @@ Value lockunspent(const Array& params, bool fHelp)
         if (nOutput < 0)
             throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, vout must be positive");
 
-        COutPoint outpt(uint256(txid), nOutput);
+        COutPoint outpt(uint256S(txid), nOutput);
 
         if (fUnlock)
             pwalletMain->UnlockCoin(outpt);