diff --git a/.travis.yml b/.travis.yml
index 7b338c2779..4f79ecf3bc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,6 +15,7 @@ install: true
 
 # define ci-stage
 script:
+  - go fmt ./... && [[ -z `git status -s` ]]
   # license-check
   - make verify
   # integrate-test