diff --git a/.travis.yml b/.travis.yml
index 50ff21adf..9e25cbc07 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -187,7 +187,7 @@ deploy:
     acl: public_read
     region: us-west-2
     local_dir: .whl
-    upload-dir: $TRAVIS_COMMIT
+    upload-dir: "$TRAVIS_BRANCH/$TRAVIS_COMMIT"
     skip_cleanup: true
     on:
       repo: ray-project/ray