1 files changed, 2 insertions, 2 deletions
diff --git a/src/test/test_bitcoin.cpp b/src/test/test_bitcoin.cpp
index 31551325b4..672cd11428 100644
--- a/src/test/test_bitcoin.cpp
+++ b/src/test/test_bitcoin.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2011-2015 The Bitcoin Core developers
+// Copyright (c) 2011-2016 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -64,7 +64,7 @@ TestingSetup::TestingSetup(const std::string& chainName) : BasicTestingSetup(cha
         ClearDatadirCache();
         pathTemp = GetTempPath() / strprintf("test_bitcoin_%lu_%i", (unsigned long)GetTime(), (int)(GetRand(100000)));
         boost::filesystem::create_directories(pathTemp);
-        mapArgs["-datadir"] = pathTemp.string();
+        ForceSetArg("-datadir", pathTemp.string());
         mempool.setSanityCheck(1.0);
         pblocktree = new CBlockTreeDB(1 << 20, true);
         pcoinsdbview = new CCoinsViewDB(1 << 23, true);