1 files changed, 2 insertions, 2 deletions
diff --git a/host/lib/usrp/b200/b200_io_impl.cpp b/host/lib/usrp/b200/b200_io_impl.cpp
index 69797017b..5a0de430f 100644
--- a/host/lib/usrp/b200/b200_io_impl.cpp
+++ b/host/lib/usrp/b200/b200_io_impl.cpp
@@ -391,7 +391,7 @@ boost::optional<uhd::msg_task::msg_type_t> b200_impl::handle_async_task(
  **********************************************************************/
 rx_streamer::sptr b200_impl::get_rx_stream(const uhd::stream_args_t& args_)
 {
-    boost::mutex::scoped_lock lock(_transport_setup_mutex);
+    std::lock_guard<std::mutex> lock(_transport_setup_mutex);
 
     stream_args_t args = args_;
 
@@ -513,7 +513,7 @@ void b200_impl::handle_overflow(const size_t radio_index)
  **********************************************************************/
 tx_streamer::sptr b200_impl::get_tx_stream(const uhd::stream_args_t& args_)
 {
-    boost::mutex::scoped_lock lock(_transport_setup_mutex);
+    std::lock_guard<std::mutex> lock(_transport_setup_mutex);
 
     stream_args_t args = args_;