diff --git a/Makefile b/Makefile
index 4d9e5b8f..c9a94602 100644
--- a/Makefile
+++ b/Makefile
@@ -50,6 +50,7 @@ update_doxygen_online:
 	git checkout gh-pages
 	rm -fr html
 	mv /tmp/github-html html
+    git commit -m "Doxygen update"
 	git checkout master
 
 # create scanner with re2c