diff --git a/charts/mailpit/templates/ingress.yaml b/charts/mailpit/templates/ingress.yaml
index 977d631..f521426 100644
--- a/charts/mailpit/templates/ingress.yaml
+++ b/charts/mailpit/templates/ingress.yaml
@@ -14,7 +14,7 @@ spec:
   {{- end }}
   rules:
     {{- if .Values.ingress.hostname }}
-    - host: {{ .Values.ingress.hostname | quote }}
+    - host: {{ tpl .Values.ingress.hostname . | quote }}
       http:
         paths:
           - path: {{ .Values.ingress.path }}