diff --git a/.woodpecker/.base-os.yml b/.woodpecker/.base-os.yml
index 7a26402..ca21a33 100644
--- a/.woodpecker/.base-os.yml
+++ b/.woodpecker/.base-os.yml
@@ -14,9 +14,9 @@ steps:
       auto_tag: false
       default_tag: debian-${DEBIAN_VERSION}
       build_args:
-        - IMAGE_VERSION=$DEBIAN_VERSION
+        - IMAGE_VERSION: ${DEBIAN_VERSION}
       tags:
-        - debian-${DEBIAN_VERSION}-${CI_PIPELINE_CREATED}
+        - "debian-${DEBIAN_VERSION}-${CI_PIPELINE_CREATED}"
       logins:
         - registry: https://gitea.simcop2387.info/
           username: simcop2387