diff --git a/charts/ingress-nginx/templates/controller-poddisruptionbudget.yaml b/charts/ingress-nginx/templates/controller-poddisruptionbudget.yaml
index 9556f58..899d3cc 100644
--- a/charts/ingress-nginx/templates/controller-poddisruptionbudget.yaml
+++ b/charts/ingress-nginx/templates/controller-poddisruptionbudget.yaml
@@ -5,6 +5,9 @@
   labels:
     {{- include "ingress-nginx.labels" . | nindent 4 }}
     app.kubernetes.io/component: controller
+    {{- with .Values.controller.labels }}
+    {{- toYaml . | nindent 4 }}
+    {{- end }}
   name: {{ include "ingress-nginx.controller.fullname" . }}
   namespace: {{ .Release.Namespace }}
 spec:
@@ -12,5 +15,9 @@
     matchLabels:
       {{- include "ingress-nginx.selectorLabels" . | nindent 6 }}
       app.kubernetes.io/component: controller
+  {{- if .Values.controller.minAvailable }}
   minAvailable: {{ .Values.controller.minAvailable }}
+  {{- else if .Values.controller.maxUnavailable }}
+  maxUnavailable: {{ .Values.controller.maxUnavailable }}
+  {{- end }}
 {{- end }}