diff --git a/src/bench/coin_selection.cpp b/src/bench/coin_selection.cpp
index eaf963fddb..923b549217 100644
--- a/src/bench/coin_selection.cpp
+++ b/src/bench/coin_selection.cpp
@@ -1,64 +1,65 @@
 // Copyright (c) 2012-2016 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "bench.h"
 #include "chainparams.h"
 #include "wallet/wallet.h"
 
 #include <set>
 
 static void addCoin(const Amount nValue, const CWallet &wallet,
                     std::vector<COutput> &vCoins) {
     int nInput = 0;
 
     static int nextLockTime = 0;
     CMutableTransaction tx;
     // so all transactions get different hashes
     tx.nLockTime = nextLockTime++;
     tx.vout.resize(nInput + 1);
     tx.vout[nInput].nValue = nValue;
     CWalletTx *wtx = new CWalletTx(&wallet, MakeTransactionRef(std::move(tx)));
 
     int nAge = 6 * 24;
     COutput output(wtx, nInput, nAge, true /* spendable */, true /* solvable */,
                    true /* safe */);
     vCoins.push_back(output);
 }
 
 // Simple benchmark for wallet coin selection. Note that it maybe be necessary
 // to build up more complicated scenarios in order to get meaningful
 // measurements of performance. From laanwj, "Wallet coin selection is probably
 // the hardest, as you need a wider selection of scenarios, just testing the
 // same one over and over isn't too useful. Generating random isn't useful
 // either for measurements."
 // (https://github.com/bitcoin/bitcoin/issues/7883#issuecomment-224807484)
 static void CoinSelection(benchmark::State &state) {
+    SelectParams(CBaseChainParams::REGTEST);
     const CWallet wallet(Params());
     std::vector<COutput> vCoins;
     LOCK(wallet.cs_wallet);
 
     while (state.KeepRunning()) {
         // Empty wallet.
         for (COutput output : vCoins) {
             delete output.tx;
         }
 
         vCoins.clear();
 
         // Add coins.
         for (int i = 0; i < 1000; i++)
             addCoin(1000 * COIN, wallet, vCoins);
         addCoin(3 * COIN, wallet, vCoins);
 
         std::set<std::pair<const CWalletTx *, unsigned int>> setCoinsRet;
         Amount nValueRet;
         bool success = wallet.SelectCoinsMinConf(1003 * COIN, 1, 6, 0, vCoins,
                                                  setCoinsRet, nValueRet);
         assert(success);
         assert(nValueRet == 1003 * COIN);
         assert(setCoinsRet.size() == 2);
     }
 }
 
 BENCHMARK(CoinSelection);