diff --git a/.drone.yml b/.drone.yml
index 5a2b8a9..c65df4a 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -5,34 +5,34 @@ name: testsuite
 steps:
 
 - name: composer install
-    image: chialab/php
-    commands:
-    - composer install
-    volumes:
-    - name: composer-cache
-        path: /root/.composer/cache/
+  image: chialab/php
+  commands:
+  - composer install
+  volumes:
+  - name: composer-cache
+  path: /root/.composer/cache/
 
 - name: wait for test server
-    image: alpine
-    commands:
-    - echo "Waiting for server to launch on testserver:8080..."
-    - while ! nc -z testserver 8080; do sleep 0.1 ; done
-    - echo "Ready!"
+  image: alpine
+  commands:
+  - echo "Waiting for server to launch on testserver:8080..."
+  - while ! nc -z testserver 8080; do sleep 0.1 ; done
+  - echo "Ready!"
 
 - name: run tests
-    image: chialab/php
-    environment:
-    - URL=testserver:8080
-    commands:
-    - sleep 10
-    - vendor/bin/phpunit tests
+  image: chialab/php
+  environment:
+  - URL=testserver:8080
+  commands:
+  - sleep 10
+  - vendor/bin/phpunit tests
 
 services:
 
 - name: testserver
-    image: node
-    detach: true
-    commands:
-    - cd tests/server/
-    - npm install
-    - node server.js
+  image: node
+  detach: true
+  commands:
+  - cd tests/server/
+  - npm install
+  - node server.js