diff --git a/layouts/robots.txt b/layouts/robots.txt
index 319bc3a..e89778e 100644
--- a/layouts/robots.txt
+++ b/layouts/robots.txt
@@ -1,2 +1,2 @@
 User-agent: *
-Sitemap: {{ .Site.BaseURL }}sitemap.xml
+Sitemap: {{ "sitemap.xml" | absURL }}