diff --git a/roles/httpd/reverseproxy/templates/reversepassproxy.registry-generic.conf b/roles/httpd/reverseproxy/templates/reversepassproxy.registry-generic.conf
index 39ff7dbb46..24b8ddeaa7 100644
--- a/roles/httpd/reverseproxy/templates/reversepassproxy.registry-generic.conf
+++ b/roles/httpd/reverseproxy/templates/reversepassproxy.registry-generic.conf
@@ -21,6 +21,7 @@ RewriteCond %{REMOTE_HOST} !^osbs-*$
 # builders shouldn't use the cdn for flatpak building.
 RewriteCond expr "! -R '10.3.169.0/24'"
 RewriteCond expr "! -R '10.3.170.0/24'"
+RewriteCond expr "! -R '10.3.171.0/24'"
 RewriteRule ^/v2/(.*)/blobs/([a-zA-Z0-9:]*) https://cdn.registry.fedoraproject.org/v2/$1/blobs/$2 [R]
 {% endif %}