2 files changed, 4 insertions, 4 deletions
diff --git a/io/source/acceptor/acc_pipe.cxx b/io/source/acceptor/acc_pipe.cxx
index 62f90993dca7..d95ea998e6c1 100644
--- a/io/source/acceptor/acc_pipe.cxx
+++ b/io/source/acceptor/acc_pipe.cxx
@@ -144,7 +144,7 @@ namespace io_acceptor
     {
         Pipe pipe;
         {
-            MutexGuard guard( m_mutex );
+            std::unique_lock guard( m_mutex );
             pipe = m_pipe;
         }
         if( ! pipe.is() )
@@ -177,7 +177,7 @@ namespace io_acceptor
         m_bClosed = true;
         Pipe pipe;
         {
-            MutexGuard guard( m_mutex );
+            std::unique_lock guard( m_mutex );
             pipe = m_pipe;
             m_pipe.clear();
         }
diff --git a/io/source/acceptor/acceptor.hxx b/io/source/acceptor/acceptor.hxx
index 0ebe00c9e372..9214a10b7509 100644
--- a/io/source/acceptor/acceptor.hxx
+++ b/io/source/acceptor/acceptor.hxx
@@ -21,7 +21,7 @@
 
 #include <osl/pipe.hxx>
 #include <osl/socket.hxx>
-#include <osl/mutex.hxx>
+#include <mutex>
 
 #include <com/sun/star/uno/Reference.hxx>
 
@@ -39,7 +39,7 @@ namespace io_acceptor {
 
         void stopAccepting();
 
-        ::osl::Mutex m_mutex;
+        std::mutex m_mutex;
         ::osl::Pipe m_pipe;
         OUString m_sPipeName;
         OUString m_sConnectionDescription;