diff --git a/charts/omada-controller/5.0/templates/service.yaml b/charts/omada-controller/5.0/templates/service.yaml
index 1b58932..58cdb86 100644
--- a/charts/omada-controller/5.0/templates/service.yaml
+++ b/charts/omada-controller/5.0/templates/service.yaml
@@ -5,7 +5,7 @@ metadata:
   name: {{ include "omada-controller.fullname" . }}
   labels:
     {{- include "omada-controller.labels" . | nindent 4 }}
-  annotation:
+  annotations:
     metallb.universe.tf/allow-shared-ip: omada
 spec:
   type: {{ .Values.service.type }}
@@ -47,7 +47,7 @@ metadata:
   name: {{ include "omada-controller.fullname" . }}-UDP
   labels:
     {{- include "omada-controller.labels" . | nindent 4 }}
-  annotation:
+  annotations:
     metallb.universe.tf/allow-shared-ip: omada
 spec:
   type: {{ .Values.service.type }}