diff --git a/argocd/apps/nextcloud/nextcloud.yaml b/argocd/apps/nextcloud/nextcloud.yaml
index dbf66a5..46bd4d9 100644
--- a/argocd/apps/nextcloud/nextcloud.yaml
+++ b/argocd/apps/nextcloud/nextcloud.yaml
@@ -69,11 +69,11 @@ spec:
         - name: nextcloud.mail.smtp.host
           value: 'smtp.innovation-hub-niedersachsen.de'
         - name: nextcloud.mail.smtp.secure
-          value: 'none'
+          value: ''
         - name: nextcloud.mail.smtp.port
           value: '25'
-        - name: nextcloud.mail.smtp.authtype
-          value: 'none'
+        - name: nextcloud.mail.smtp.auth
+          value: 'false'
         - name: persistence.enabled
           value: 'true'
         - name: persistence.nextcloudData.enabled