diff --git a/argocd/apps/nextcloud/nextcloud.yaml b/argocd/apps/nextcloud/nextcloud.yaml
index 5c82bf2..65b3565 100644
--- a/argocd/apps/nextcloud/nextcloud.yaml
+++ b/argocd/apps/nextcloud/nextcloud.yaml
@@ -12,7 +12,7 @@ spec:
     plugin:
       env:
         - name: TRUSTED_PROXIES
-          value: 10.43.0.0/16 192.168.4.0/24
+          value: '10.43.0.0/16 192.168.4.0/24'
     helm:
       parameters:
         - name: image.repository