diff --git a/.travis.yml b/.travis.yml
index 84f1c5d5742..d77dad00183 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,6 +16,7 @@ script:
   - echo -en 'travis_fold:end:script.eslint\\r'
 
   - echo 'test webgl-stub' && echo -en 'travis_fold:start:script.test\\r'
+  - npm run build
   - npm run test -- --browsers Electron --webgl-stub --failTaskOnError --suppressPassed
   - echo -en 'travis_fold:end:script.test\\r'