git --work-tree=$(GH_PAGES) --git-dir=$(GH_PAGES)/.git config user.name "Oliver Schmidt"
        git --work-tree=$(GH_PAGES) --git-dir=$(GH_PAGES)/.git config user.email "ol.sc@web.de"
        rm -rf $(GH_PAGES)/test
+       mkdir $(GH_PAGES)/test
        cp -R ../html/* $(GH_PAGES)/test
        git --work-tree=$(GH_PAGES) --git-dir=$(GH_PAGES)/.git add -A
        git --work-tree=$(GH_PAGES) --git-dir=$(GH_PAGES)/.git commit -m "Updated doc from commit $(TRAVIS_COMMIT)."