diff --git a/helmfile/apps/element/values-synapse-web.yaml.gotmpl b/helmfile/apps/element/values-synapse-web.yaml.gotmpl
index c20eff5e..fdbad013 100644
--- a/helmfile/apps/element/values-synapse-web.yaml.gotmpl
+++ b/helmfile/apps/element/values-synapse-web.yaml.gotmpl
@@ -21,6 +21,7 @@ containerSecurityContext:
 
 global:
   domain: {{ .Values.global.domain | quote }}
+  clusterDomain: {{ .Values.cluster.networking.domain | quote }}
   hosts:
     {{ .Values.global.hosts | toYaml | nindent 4 }}
   imagePullSecrets: