diff --git a/alaka-smtp.yml b/alaka-smtp.yml
index 125c402..8d74c80 100644
--- a/alaka-smtp.yml
+++ b/alaka-smtp.yml
@@ -44,13 +44,13 @@ wordpress:
         smtp_password: "{{smtp_password}}"
 vikunja:
     env:
-        SMTP_HOST: "{{smtp_host}}"
-        SMTP_AUTHTYPE: login
-        SMTP_USER: "{{smtp_user}}"
-        SMTP_FROM_EMAIL: "{{smtp_user}}@{{smtp_domain}}"
+        VIKUNJA_MAILER_HOST: "{{smtp_host}}"
+        VIKUNJA_MAILER_AUTHTYPE: login
+        VIKUNJA_MAILER_USERNAME: "{{smtp_user}}"
+        VIKUNJA_MAILER_FROMEMAIL: "{{smtp_user}}@{{smtp_domain}}"
     uncomment:
         - compose.smtp.yml
-        - SMTP_ENABLED
+        - VIKUNJA_MAILER_ENABLED
         - SECRET_SMTP_PASSWORD_VERSION
     secrets:
         smtp_password: "{{smtp_password}}"