diff --git a/.travis.yml b/.travis.yml
index 785188f17d..c0f6c3b0f5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,4 +15,4 @@ script:
   - ./travis/test.sh
 cache:
   directories:
-  - $HOME/.pub-cache
+    - $HOME/.pub-cache