@@ -1805,11 +1805,11 @@
 	return _blocking;
 }
 
 - (void)setBlocking: (bool)enable
 {
-#if defined(HAVE_FCNTL)
+#if defined(HAVE_FCNTL) && !defined(OF_MORPHOS)
 	bool readImplemented = false, writeImplemented = false;
 
 	@try {
 		int readFlags;