diff --git a/k8s/charts/seaweedfs/templates/s3/s3-ingress.yaml b/k8s/charts/seaweedfs/templates/s3/s3-ingress.yaml
index 7b279793b..f9c362065 100644
--- a/k8s/charts/seaweedfs/templates/s3/s3-ingress.yaml
+++ b/k8s/charts/seaweedfs/templates/s3/s3-ingress.yaml
@@ -41,6 +41,6 @@ spec:
           servicePort: {{ .Values.s3.port }}
 {{- end }}
 {{- if .Values.s3.ingress.host }}
-    host: {{ .Values.s3.ingress.host }}
+    host: {{ .Values.s3.ingress.host | quote }}
 {{- end }}
 {{- end }}