diff --git a/argocd/apps/wekan/wekan.yaml b/argocd/apps/wekan/wekan.yaml
index 6868cfd..3321fb1 100644
--- a/argocd/apps/wekan/wekan.yaml
+++ b/argocd/apps/wekan/wekan.yaml
@@ -42,9 +42,13 @@ spec:
           value: '80'
         - name: MAIL_URL
           value: 'smtp://192.168.4.125:25'
+    chart: wekan
+    plugin:
+       env:
+        - name: MAIL_URL
+          value: 'smtp://192.168.4.125:25'
         - name: MAIL_FROM
           value: 'Wekan Innovation Hub <inno-net@zpd.polizei.niedersachsen.de>'
-    chart: wekan
   destination:
     server: 'https://kubernetes.default.svc'
     namespace: wekan