diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index 972e85098d..b20765a9e2 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -279,12 +279,12 @@ UniValue blockToJSON(const CBlock& block, const CBlockIndex* tip, const CBlockIn
                 const CTxUndo* txundo = (have_undo && i > 0) ? &blockUndo.vtxundo.at(i - 1) : nullptr;
                 UniValue objTx(UniValue::VOBJ);
                 TxToUniv(*tx, uint256(), objTx, true, RPCSerializationFlags(), txundo, verbosity);
-                txs.push_back(objTx);
+                txs.push_back(std::move(objTx));
             }
             break;
     }
 
-    result.pushKV("tx", txs);
+    result.pushKV("tx", std::move(txs));
 
     return result;
 }