1 files changed, 5 insertions, 0 deletions
diff --git a/src/utils/mutex.h b/src/utils/mutex.h
index 1de94c12b..22dfa6d2c 100644
--- a/src/utils/mutex.h
+++ b/src/utils/mutex.h
@@ -57,6 +57,11 @@ class MutexLocker final
     public:
         explicit MutexLocker(Mutex *const mutex);
 
+        MutexLocker(const MutexLocker &m) :
+            mMutex(m.mMutex)
+        {
+        }
+
         ~MutexLocker();
 
     private: