diff --git a/.drone.yml b/.drone.yml
index 0ba4bcf..7d7838c 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -7,3 +7,6 @@ steps:
     settings:
       repo: docker.kapelle.org/backup
       registry: docker.kapelle.org
+    when:
+      branch:
+        - master
\ No newline at end of file