diff --git a/global/overlay/etc/puppet/cosmos-rules.yaml b/global/overlay/etc/puppet/cosmos-rules.yaml
index 598e2e4..9261553 100644
--- a/global/overlay/etc/puppet/cosmos-rules.yaml
+++ b/global/overlay/etc/puppet/cosmos-rules.yaml
@@ -30,3 +30,4 @@
 
 '^internal-.+-test-cache-[0-9]+\.cdn\.sunet\.se$':
   sunet::dockerhost2:
+  cdn::cache: