@@ -20,13 +20,15 @@
 #import "OFPlainThread.h"
 #import "OFData.h"
 #import "OFString.h"
 #import "OFTLSKey.h"
 
+#define Class IntuitionClass
 #include <dos/dostags.h>
 #include <proto/dos.h>
 #include <proto/exec.h>
+#undef Class
 
 #ifndef OF_MORPHOS
 extern void OFTLSKeyThreadExited(void);
 #endif
 static OFTLSKey threadKey;