@@ -29,11 +29,11 @@
  */
 @interface OFRecursiveMutex: OFObject <OFLocking>
 {
 	of_rmutex_t _rmutex;
 	bool _initialized;
-	OFString *_name;
+	OFString *_Nullable _name;
 }
 
 /*!
  * @brief Creates a new recursive mutex.
  *