diff --git a/helmchart/single-sign-on/values.yaml b/helmchart/single-sign-on/values.yaml
index 05fa377607bf983002d17ffbc166cfff89fb0167..28adead13443721fafebc217c17a1dee58aecd11 100644
--- a/helmchart/single-sign-on/values.yaml
+++ b/helmchart/single-sign-on/values.yaml
@@ -8,7 +8,7 @@ image:
 # singleSignOnHost is the FQDN that will be used by the ingress to make the consent and
 # the login provider accessible by user agents. For now it is recommended to set it to the
 # same value as hydra.ingress.public.hosts[0].host
-singleSignOnHost: sso.oas.example.net
+singleSignOnHost: &SSO_HOST sso.oas.example.net
 
 userpanel:
   image:
@@ -74,11 +74,11 @@ hydra:
       hosts:
         # hydra.ingress.public.hosts[0].hosts.host is the FQDN of the single sign-on system
         # that will be used by oAuth clients to retrieve userinfo and redirect their users to.
-        - host: sso.oas.example.net
+        - host: *SSO_HOST
           paths: ["/"]
       tls:
         - hosts:
-          - sso.oas.example.net
+          - *SSO_HOST
           secretName: hydra-public.tls
     # hydra.ingress.admin is the ingress resource that controls access to the hydra
     # admin API server. It can be activated using the same options as in