diff --git a/.woodpecker.yml b/.woodpecker.yml
index 06826c9..10fa59d 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -3,11 +3,11 @@ steps:
     image: woodpeckerci/plugin-kaniko:next
     pull: true
     environment:
-      - CTAG="2.0.0"
+      - CTAG="2.0.0,"
     settings:
       registry: git.sandbox.iuk.hdm-stuttgart.de
       repo: grosse/jupyterhub
-      tags: test,
+      tags: ${CTAG}
       dockerfile: Dockerfile
       username:
         from_secret: docker_username