@@ -27,10 +27,11 @@
 /*!
  * @class OFLHAArchive OFLHAArchive.h ObjFW/OFLHAArchive.h
  *
  * @brief A class for accessing and manipulating LHA files.
  */
+OF_SUBCLASSING_RESTRICTED
 @interface OFLHAArchive: OFObject
 {
 	OFStream *_stream;
 	enum {
 		OF_LHA_ARCHIVE_MODE_READ,