diff --git a/global/overlay/etc/puppet/cosmos-rules.yaml b/global/overlay/etc/puppet/cosmos-rules.yaml
index baf2ed7..ec7db3d 100644
--- a/global/overlay/etc/puppet/cosmos-rules.yaml
+++ b/global/overlay/etc/puppet/cosmos-rules.yaml
@@ -12,6 +12,6 @@
   sunet::dockerhost2:
   cdn::l4lb:
 
-'^internal-.+-test-runner-[0-9]+.\.cdn\.sunet\.se$':
+'^internal-.+-test-runner-[0-9]+\.cdn\.sunet\.se$':
   sunet::dockerhost2:
   cdn::runner: