@@ -33,10 +33,13 @@
 # ifdef OF_AMIGAOS4
 #  define __NOLIBBASE__
 #  define __NOGLOBALIFACE__
 #  define __USE_INLINE__
 # endif
+# ifdef OF_AMIGAOS3
+#  define INTUITION_CLASSES_H
+# endif
 # include <proto/dos.h>
 # include <proto/exec.h>
 # include <proto/locale.h>
 #endif