diff --git a/.drone.yml b/.drone.yml
index 692cddd..2c18634 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -11,12 +11,14 @@ services:
 steps:
 - name: test
   image: python:3.6
+  environment:
+    COUCH_URL: 'http://couchdb:5984'
   commands:
   # Install pre-requisites
   - pip install coverage pytest
   - pip install -e .
   # Wait for couch
-  - until curl 'http://couchdb:5984' ; do sleep 1 ; done
+  - until curl "$COUCH_URL" ; do sleep 1 ; done
   # Run tests
   - coverage run -m pytest
   - coverage report -m