diff --git a/roles/httpd/reverseproxy/templates/reversepassproxy.registry-generic.conf b/roles/httpd/reverseproxy/templates/reversepassproxy.registry-generic.conf
index bf3f097304..39ff7dbb46 100644
--- a/roles/httpd/reverseproxy/templates/reversepassproxy.registry-generic.conf
+++ b/roles/httpd/reverseproxy/templates/reversepassproxy.registry-generic.conf
@@ -20,6 +20,7 @@ RewriteCond %{REQUEST_METHOD} !^(PATCH|POST|PUT|DELETE|HEAD)$
 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'"
 RewriteRule ^/v2/(.*)/blobs/([a-zA-Z0-9:]*) https://cdn.registry.fedoraproject.org/v2/$1/blobs/$2 [R]
 {% endif %}