diff --git a/.drone.yml b/.drone.yml
index 7a8c9fc..735fa83 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -21,11 +21,9 @@ steps:
 
 - name: run tests
   image: chialab/php
-  environment:
-    - "URL=testserver:8080"
   commands:
   - sleep 10
-  - vendor/bin/phpunit tests
+  - URL=testserver:8080 vendor/bin/phpunit tests
 
 services: