diff --git a/.travis.yml b/.travis.yml
index 8915723..fb0dc5d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,12 @@
 language: node_js
+
 node_js:
   - "stable"
+
 cache:
   directories:
   - node_modules
+
 script:
   - CI=true npm test
 
@@ -13,7 +16,7 @@ jobs:
       on: travis-ci
       script:
         - npm install -g now
-        - npm run build
+        - REACT_APP_STAGE=dev npm run build
         - echo '{"name":"datasette-vega-latest","alias":"datasette-vega-latest.datasette.io"}' > build/now.json
         - cd build && now --name=datasette-vega-latest --token=$NOW_TOKEN
         - now alias --token=$NOW_TOKEN