1 files changed, 1 insertions, 1 deletions
diff --git a/src/libstate/libstate.h b/src/libstate/libstate.h
index 295fa1fa4..5af55e9d8 100644
--- a/src/libstate/libstate.h
+++ b/src/libstate/libstate.h
@@ -110,7 +110,7 @@ class BOTAN_DLL Library_State
       std::string deref_alias(const std::string&);
    private:
       static RandomNumberGenerator* make_global_rng(Algorithm_Factory& af,
-                                                    Mutex* mutex);
+                                                    std::mutex& mutex);
 
       void load_default_config();