diff --git a/Makefile b/Makefile
index 6b7ef84..e45d933 100644
--- a/Makefile
+++ b/Makefile
@@ -54,6 +54,7 @@ debug:kernel kernel.sym
 
 clean:
 	$(RM) kernel $(asmobj) $(cobj) $(deps) fd.iso kernel.sym
+	$(RM) -r isodir
 
 ifneq ($(MAKECMDGOALS),clean)
 -include $(deps)