diff --git a/.drone.yml b/.drone.yml
index 9e85ae5..bcfdf2d 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -2,6 +2,7 @@ build:
   image: golang:1.6
   environment:
     - FOO=1
+    - BAR=0
   commands:
     - go get -a -v
     - make test