diff --git a/helm/metallb/dev/values.yaml b/helm/metallb/dev/values.yaml
index c1f6139..6a3b63c 100644
--- a/helm/metallb/dev/values.yaml
+++ b/helm/metallb/dev/values.yaml
@@ -4,7 +4,7 @@ metallb:
   controller:
     enabled: true
     image:
-      repository: {{ .Values.harbor.repository }}/images/controller
+      repository: "{{ .Values.harbor.repository }}/images/controller"
       tag: v0.15.3
       pullPolicy: IfNotPresent
   speaker: