diff --git a/.drone.yml b/.drone.yml
index dfa2216..5dd49ce 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -10,8 +10,11 @@ steps:
       auto_tag: true
       dry_run: true
     when:
-      event:
-        - pull_request
+      ref:
+        - refs/pull/**
+      # event no anda (?)
+      # event:
+      #   - pull_request
 
   - name: build and publish image
     image: plugins/docker