2 files changed, 6 insertions, 6 deletions
diff --git a/src/lib/tls/tls_session_manager.h b/src/lib/tls/tls_session_manager.h
index e01462f66..49f4925d8 100644
--- a/src/lib/tls/tls_session_manager.h
+++ b/src/lib/tls/tls_session_manager.h
@@ -9,7 +9,7 @@
 #define BOTAN_TLS_SESSION_MANAGER_H__
 
 #include <botan/tls_session.h>
-#include <mutex>
+#include <botan/mutex.h>
 #include <chrono>
 #include <map>
 
@@ -138,7 +138,7 @@ class BOTAN_DLL Session_Manager_In_Memory : public Session_Manager
       bool load_from_session_str(const std::string& session_str,
                                  Session& session);
 
-      std::mutex m_mutex;
+      mutex_type m_mutex;
 
       size_t m_max_sessions;
 
diff --git a/src/lib/tls/tls_session_manager_memory.cpp b/src/lib/tls/tls_session_manager_memory.cpp
index 37019c943..d0866b37a 100644
--- a/src/lib/tls/tls_session_manager_memory.cpp
+++ b/src/lib/tls/tls_session_manager_memory.cpp
@@ -57,7 +57,7 @@ bool Session_Manager_In_Memory::load_from_session_str(
 bool Session_Manager_In_Memory::load_from_session_id(
    const std::vector<byte>& session_id, Session& session)
    {
-   std::lock_guard<std::mutex> lock(m_mutex);
+   lock_guard_type<mutex_type> lock(m_mutex);
 
    return load_from_session_str(hex_encode(session_id), session);
    }
@@ -65,7 +65,7 @@ bool Session_Manager_In_Memory::load_from_session_id(
 bool Session_Manager_In_Memory::load_from_server_info(
    const Server_Information& info, Session& session)
    {
-   std::lock_guard<std::mutex> lock(m_mutex);
+   lock_guard_type<mutex_type> lock(m_mutex);
 
    auto i = m_info_sessions.find(info);
 
@@ -87,7 +87,7 @@ bool Session_Manager_In_Memory::load_from_server_info(
 void Session_Manager_In_Memory::remove_entry(
    const std::vector<byte>& session_id)
    {
-   std::lock_guard<std::mutex> lock(m_mutex);
+   lock_guard_type<mutex_type> lock(m_mutex);
 
    auto i = m_sessions.find(hex_encode(session_id));
 
@@ -106,7 +106,7 @@ size_t Session_Manager_In_Memory::remove_all()
 
 void Session_Manager_In_Memory::save(const Session& session)
    {
-   std::lock_guard<std::mutex> lock(m_mutex);
+   lock_guard_type<mutex_type> lock(m_mutex);
 
    if(m_max_sessions != 0)
       {