diff --git a/.drone.yml b/.drone.yml
index 1e78235..bfa47c7 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -24,7 +24,7 @@ steps:
       - apt-get install -y libsystemd-dev
       - 'go build -ldflags="-s -w" -v .'
     environment:
-      - DEBIAN_FRONTEND=noninteractive
+      DEBIAN_FRONTEND: noninteractive
 
   - name: release
     image: plugins/gitea-release