diff --git a/delivery.yaml b/delivery.yaml
index a60a656b1..42ba993c5 100644
--- a/delivery.yaml
+++ b/delivery.yaml
@@ -34,6 +34,7 @@ pipeline:
             else
               IMAGE=registry-write.opensource.zalan.do/acid/postgres-operator-test
             fi
+            export DEBUG=1
             export IMAGE
             make tools deps docker
         - desc: 'Run unit tests'