diff --git a/global/overlay/etc/puppet/cosmos-rules.yaml b/global/overlay/etc/puppet/cosmos-rules.yaml
index ce57b71..89b8d85 100644
--- a/global/overlay/etc/puppet/cosmos-rules.yaml
+++ b/global/overlay/etc/puppet/cosmos-rules.yaml
@@ -99,3 +99,4 @@ zammad-test.cert.sunet.se:
       - 'sunet-cert'
     entityID: 'https://test-sso-proxy.cert.sunet.se/idp'
     user_header: 'Remote-User'
+    passthrough: ['/api', '/oauth']