diff --git a/clusters/cl01tl/standalone/cilium/templates/gateway.yaml b/clusters/cl01tl/standalone/cilium/templates/gateway.yaml
index 7b60e0c45..6e53df091 100644
--- a/clusters/cl01tl/standalone/cilium/templates/gateway.yaml
+++ b/clusters/cl01tl/standalone/cilium/templates/gateway.yaml
@@ -32,6 +32,5 @@ spec:
         mode: Terminate
         certificateRefs:
           - kind: Secret
-            group: ""
+            group: core
             name: wildcard-tls-alexlebens-net
-            namespace: cilium