diff --git a/.travis.yml b/.travis.yml
index e03c4e690..3c4bb14a9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ go_import_path: v2ray.com/core
 git:
   depth: 5
 script:
-- go test -tags json v2ray.com/core/...
+- go test -tags json -v v2ray.com/core/...
 after_success:
 - ./testing/coverage/coverall
 before_deploy: