diff --git a/src/wallet/api/transaction_history.cpp b/src/wallet/api/transaction_history.cpp
index 190aa67c..5f99750d 100644
--- a/src/wallet/api/transaction_history.cpp
+++ b/src/wallet/api/transaction_history.cpp
@@ -60,6 +60,7 @@ TransactionHistoryImpl::~TransactionHistoryImpl()
 
 int TransactionHistoryImpl::count() const
 {
+    boost::lock_guard<boost::mutex> guarg(m_historyMutex);
     return m_history.size();
 }
 
@@ -80,7 +81,7 @@ std::vector<TransactionInfo *> TransactionHistoryImpl::getAll() const
 void TransactionHistoryImpl::refresh()
 {
     // multithreaded access:
-    boost::lock_guard<boost::mutex> guarg(m_refreshMutex);
+    boost::lock_guard<boost::mutex> guarg(m_historyMutex);
 
     // TODO: configurable values;
     uint64_t min_height = 0;
diff --git a/src/wallet/api/transaction_history.h b/src/wallet/api/transaction_history.h
index 0b7e079b..04db7e8e 100644
--- a/src/wallet/api/transaction_history.h
+++ b/src/wallet/api/transaction_history.h
@@ -52,7 +52,7 @@ private:
     // TransactionHistory is responsible of memory management
     std::vector<TransactionInfo*> m_history;
     WalletImpl *m_wallet;
-    boost::mutex        m_refreshMutex;
+    mutable boost::mutex        m_historyMutex;
 };
 
 }
diff --git a/src/wallet/api/wallet.cpp b/src/wallet/api/wallet.cpp
index eb6fe5db..5150c364 100644
--- a/src/wallet/api/wallet.cpp
+++ b/src/wallet/api/wallet.cpp
@@ -201,7 +201,6 @@ bool WalletImpl::create(const std::string &path, const std::string &password, co
     bool keys_file_exists;
     bool wallet_file_exists;
     tools::wallet2::wallet_exists(path, keys_file_exists, wallet_file_exists);
-    // TODO: figure out how to setup logger;
     LOG_PRINT_L3("wallet_path: " << path << "");
     LOG_PRINT_L3("keys_file_exists: " << std::boolalpha << keys_file_exists << std::noboolalpha
                  << "  wallet_file_exists: " << std::boolalpha << wallet_file_exists << std::noboolalpha);
diff --git a/tests/libwallet_api_tests/main.cpp b/tests/libwallet_api_tests/main.cpp
index 45a94b4d..0fc0dd02 100644
--- a/tests/libwallet_api_tests/main.cpp
+++ b/tests/libwallet_api_tests/main.cpp
@@ -539,8 +539,10 @@ TEST_F(WalletTest1, WalletReturnsDaemonBlockHeight)
 TEST_F(WalletTest1, WalletRefresh)
 {
 
+    std::cout << "Opening wallet: " << CURRENT_SRC_WALLET << std::endl;
     Bitmonero::Wallet * wallet1 = wmgr->openWallet(CURRENT_SRC_WALLET, TESTNET_WALLET_PASS, true);
     // make sure testnet daemon is running
+    std::cout << "connecting to daemon: " << TESTNET_DAEMON_ADDRESS << std::endl;
     ASSERT_TRUE(wallet1->init(TESTNET_DAEMON_ADDRESS, 0));
     ASSERT_TRUE(wallet1->refresh());
     ASSERT_TRUE(wmgr->closeWallet(wallet1));
@@ -570,13 +572,13 @@ TEST_F(WalletTest1, WalletTransaction)
     ASSERT_TRUE(wallet1->status() == Bitmonero::PendingTransaction::Status_Ok);
 
     std::string recepient_address = Utils::get_wallet_address(CURRENT_DST_WALLET, TESTNET_WALLET_PASS);
-    wallet1->setDefaultMixin(1);
-    ASSERT_TRUE(wallet1->defaultMixin() == 1);
+    wallet1->setDefaultMixin(10);
+    ASSERT_TRUE(wallet1->defaultMixin() == 10);
 
     Bitmonero::PendingTransaction * transaction = wallet1->createTransaction(recepient_address,
                                                                              PAYMENT_ID_EMPTY,
                                                                              AMOUNT_10XMR,
-                                                                             1);
+                                                                             2);
     ASSERT_TRUE(transaction->status() == Bitmonero::PendingTransaction::Status_Ok);
     wallet1->refresh();
 
@@ -1146,10 +1148,10 @@ int main(int argc, char** argv)
     TESTNET_WALLET5_NAME = WALLETS_ROOT_DIR + "/wallet_05.bin";
     TESTNET_WALLET6_NAME = WALLETS_ROOT_DIR + "/wallet_06.bin";
 
-    CURRENT_SRC_WALLET = TESTNET_WALLET6_NAME;
-    CURRENT_DST_WALLET = TESTNET_WALLET5_NAME;
+    CURRENT_SRC_WALLET = TESTNET_WALLET5_NAME;
+    CURRENT_DST_WALLET = TESTNET_WALLET1_NAME;
 
     ::testing::InitGoogleTest(&argc, argv);
-    // Bitmonero::WalletManagerFactory::setLogLevel(Bitmonero::WalletManagerFactory::LogLevel_Max);
+    Bitmonero::WalletManagerFactory::setLogLevel(Bitmonero::WalletManagerFactory::LogLevel_Max);
     return RUN_ALL_TESTS();
 }