diff --git a/.travis.yml b/.travis.yml
index 9d6a1143..fcd07298 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,6 @@
 language: node_js
 node_js:
     - node # Latest stable version of nodejs.
+install:
+    - npm install
+    - (cd node_modules/matrix-react-sdk && npm run build)