diff --git a/.drone.yml b/.drone.yml
index b2de8fa..c909c1f 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -6,8 +6,7 @@ steps:
   image: docker
   commands:
     - docker build --rm -t dagobert:latest .
-  volumes:
-    - /var/run/docker.sock:/var/run/docker.sock
+  volumes: [ /var/run/docker.sock:/var/run/docker.sock ]
 - name: notify
   image: drillster/drone-email
   settings: