diff --git a/charts/vaultwarden/Chart.yaml b/charts/vaultwarden/Chart.yaml
index 795bce6..4d88d20 100644
--- a/charts/vaultwarden/Chart.yaml
+++ b/charts/vaultwarden/Chart.yaml
@@ -13,5 +13,5 @@ maintainers:
   - name: guerzon
     email: guerzon@proton.me
     url: https://github.com/guerzon
-version: 0.25.1
+version: 0.25.2
 kubeVersion: ">=1.12.0-0"
diff --git a/charts/vaultwarden/templates/ingress.yaml b/charts/vaultwarden/templates/ingress.yaml
index 77ada7e..780e830 100644
--- a/charts/vaultwarden/templates/ingress.yaml
+++ b/charts/vaultwarden/templates/ingress.yaml
@@ -26,7 +26,9 @@ metadata:
     {{- toYaml $ingress.additionalAnnotations | nindent 4 }}
     {{- end }}
     {{- if $ingress.nginxIngressAnnotations }}
-    nginx.ingress.kubernetes.io/custom-headers: {{ $ingress.customHeadersConfigMap }}
+    {{- if $ingress.customHeadersConfigMap }}
+    nginx.ingress.kubernetes.io/custom-headers: {{ .Release.Namespace }}/custom-headers-configmap
+    {{- end }}
     nginx.ingress.kubernetes.io/connection-proxy-header: "keep-alive"
     nginx.ingress.kubernetes.io/enable-cors: "true"
     nginx.ingress.kubernetes.io/ssl-redirect: "true"