diff --git a/packages/darwin_app/Makefile b/packages/darwin_app/Makefile
index 28e2e2ad07ee34bdd425b341b70e093b23a16eba..4f6a193b228e8dda2e9f9578db3bff44f31d5d99 100644
--- a/packages/darwin_app/Makefile
+++ b/packages/darwin_app/Makefile
@@ -236,7 +236,7 @@ dmg:
 		/Volumes/$(VOLUME_NAME)
 	$(MAKE) -C $(packages_src) \
 		DESTDIR="/Volumes/$(VOLUME_NAME)/*.app/Contents/Resources" doc_format
-	chmod -R a-w "/Volumes/$(VOLUME_NAME)/*.app/Contents/Resources"
+	chmod -R a-w /Volumes/$(VOLUME_NAME)/*.app/Contents/Resources
 	hdiutil detach `mount | grep $(VOLUME_NAME) | cut -d ' ' -f 1`
 	hdiutil convert -format UDZO -o "$(PACKAGE_NAME).dmg" build.dmg
 	rm -f build.dmg