@@ -13,12 +13,11 @@
  * file.
  */
 
 #import "OFObject.h"
 #import "OFLocking.h"
-
-#import "mutex.h"
+#import "OFPlainMutex.h"
 
 OF_ASSUME_NONNULL_BEGIN
 
 /**
  * @class OFRecursiveMutex OFRecursiveMutex.h ObjFW/OFRecursiveMutex.h