diff --git a/charts/auth-proxy/templates/install.yaml b/charts/auth-proxy/templates/install.yaml
index bcc3a15..09a1059 100644
--- a/charts/auth-proxy/templates/install.yaml
+++ b/charts/auth-proxy/templates/install.yaml
@@ -42,5 +42,6 @@
         - --whoami-addr={{ .Values.whoAmIAddr }}
         - --login-addr={{ .Values.loginAddr }}
         - --membership-addr={{ .Values.membershipAddr }}
+        - --membership-public-addr={{ .Values.membershipPublicAddr }}
         - --groups={{ .Values.groups }}
         - --upstream={{ .Values.upstream }}
diff --git a/charts/auth-proxy/values.yaml b/charts/auth-proxy/values.yaml
index 15788e6..742f4c9 100644
--- a/charts/auth-proxy/values.yaml
+++ b/charts/auth-proxy/values.yaml
@@ -6,5 +6,6 @@
 whoAmIAddr: https://accounts.example.com/sessions/whoami
 loginAddr: https://accounts-ui.example.com/login
 membershipAddr: https://memberships.p.example.com/api/user
+membershipPublicAddr: https://memberships.p.example.com
 groups: ""
 portName: http