@@ -13,10 +13,11 @@
  * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
  * file.
  */
 
 #import "OFStream.h"
+#import "OFKernelEventObserver.h"
 
 #ifdef OF_MORPHOS
 # define BOOL EXEC_BOOL
 # include <proto/dos.h>
 # undef BOOL
@@ -34,10 +35,13 @@
  */
 #ifdef OF_STDIO_STREAM_WIN32_CONSOLE_H
 OF_SUBCLASSING_RESTRICTED
 #endif
 @interface OFStdIOStream: OFStream
+#if !defined(OF_WINDOWS) && !defined(OF_MORPHOS)
+    <OFReadyForReadingObserving, OFReadyForWritingObserving>
+#endif
 {
 #ifndef OF_MORPHOS
 	int _fd;
 #else
 	BPTR _handle;