diff --git a/global/overlay/etc/puppet/cosmos-rules.yaml b/global/overlay/etc/puppet/cosmos-rules.yaml
index ec7db3d..761f754 100644
--- a/global/overlay/etc/puppet/cosmos-rules.yaml
+++ b/global/overlay/etc/puppet/cosmos-rules.yaml
@@ -15,3 +15,6 @@
 '^internal-.+-test-runner-[0-9]+\.cdn\.sunet\.se$':
   sunet::dockerhost2:
   cdn::runner:
+
+'^internal-.+-test-mqtt-[0-9]+\.cdn\.sunet\.se$':
+  cdn::mqtt: