diff --git a/Makefile b/Makefile
index 4284c67c1..0cae324fa 100644
--- a/Makefile
+++ b/Makefile
@@ -156,11 +156,11 @@ doctest:
 
 gh-pages:
 	git checkout gh-pages
-	rm -rf build _sources _static
+	rm -rf _build _sources _static
 	git checkout master $(GH_PAGES_SOURCES)
 	git reset HEAD
 	make html
-	mv -fv build/html/* ./
-	rm -rf $(GH_PAGES_SOURCES) build
+	mv -fv _build/html/* ./
+	rm -rf $(GH_PAGES_SOURCES) _build
 	git add -A
 	git ci -m "Generated gh-pages for `git log master -1 --pretty=short --abbrev-commit`" && git push origin gh-pages ; git checkout master