diff --git a/Makefile.ressources b/Makefile.ressources
index 412ef1608155ba12beb251b4944499d724c3ab28..7d349bf27181277585855749dadaaf3c7bcba576 100644
--- a/Makefile.ressources
+++ b/Makefile.ressources
@@ -1,6 +1,8 @@
 
 %.md: %.org
+	chmod a+w $@
 	pandoc -f org -t markdown_github -o $@ $^
+	chmod a-wx $@
 
 # %.html: %.org
 # 	emacs -batch $^  --funcall org-html-export-to-html