@@ -120,10 +120,11 @@
  *
  * In order to create a new OFApplication, you should create a class conforming
  * to the optional @ref OFApplicationDelegate protocol and put
  * `OF_APPLICATION_DELEGATE(NameOfYourClass)` in the .m file of that class.
  */
+OF_SUBCLASSING_RESTRICTED
 @interface OFApplication: OFObject
 {
 	OFString *_programName;
 	OFArray OF_GENERIC(OFString *) *_arguments;
 	OFMutableDictionary OF_GENERIC(OFString *, OFString *) *_environment;