diff --git a/macosx/Makefile b/macosx/Makefile
index 758d435d6..ef3950fb5 100644
--- a/macosx/Makefile
+++ b/macosx/Makefile
@@ -137,6 +137,8 @@ clean:
 	rm -rf $(NDIFF_STAGING_DIR)
 	rm -rf $(NPING_BUILD_DIR)
 	rm -rf $(NPING_STAGING_DIR)
+	rm -rf $(NMAP_UPDATE_BUILD_DIR)
+	rm -rf $(NMAP_UPDATE_STAGING_DIR)
 	rm -f COPYING.formatted
 	rm -f $(IMAGE_NAME)