diff --git a/public/robots.txt b/public/robots.txt
index c0e70dfd8f..e4dc2e0d2b 100644
--- a/public/robots.txt
+++ b/public/robots.txt
@@ -2,6 +2,7 @@ Sitemap: http://www.openstreetmap.org/sitemap.xml.gz
 
 User-agent: *
 Disallow: /user/
+Disallow: /user_blocks/
 Disallow: /traces/tag/
 Disallow: /traces/page/
 Disallow: /api/