diff --git a/argocd/apps/openproject/values-openproject.yaml b/argocd/apps/openproject/values-openproject.yaml
index 923f8e4..e8cef61 100644
--- a/argocd/apps/openproject/values-openproject.yaml
+++ b/argocd/apps/openproject/values-openproject.yaml
@@ -16,10 +16,10 @@ spec:
         
         environment:
           - name: EMAIL_DELIVERY_METHOD
-            value: smtp
+            value: "smtp"
           - name: SMTP_ADDRESS
             value: "192.168.4.125"
-          - name: SMTP_PORT=25
+          - name: SMTP_PORT
             value: "25"
           - name: SMTP_DOMAIN
             value: "innovation-hub-niedersachsen.de""