diff --git a/Makefile b/Makefile
index d123672..2405a1c 100644
--- a/Makefile
+++ b/Makefile
@@ -46,7 +46,7 @@ build-wrappers:
 
 	# update index.html to point to $(vesion)
 	cat index.html.pre > index.html
-	for release in `ls -p | grep '/'`; do relno=`echo $$release | sed -e 's|/||'`; echo "<li><a href=\"$${release}\">$${relno}</a></li>" >> index.html; done
+	for release in `ls -rp | grep '/'`; do relno=`echo $$release | sed -e 's|/||'`; echo "<li><a href=\"$${release}\">$${relno}</a></li>" >> index.html; done
 	cat index.html.post >> index.html
 	git add $(version)
 	git commit -m 'Release $(version)' index.html $(version)