diff --git a/everything-app/oauth2proxy.yaml b/everything-app/oauth2proxy.yaml
index 1d434d3..3b4c1f3 100644
--- a/everything-app/oauth2proxy.yaml
+++ b/everything-app/oauth2proxy.yaml
@@ -37,6 +37,8 @@ spec:
         - "--upstream=static://200"
         - "--http-address=0.0.0.0:4180"
         - "--whitelist-domain=.martyn.berlin"
+        - "--cookie-domain=.martyn.berlin"
+        - "--cookie-name=_home_oauth2_proxy"
     repoURL: https://oauth2-proxy.github.io/manifests
     targetRevision: 7.12.18
   syncPolicy: