diff --git a/README.md b/README.md
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 [![DOI](https://zenodo.org/badge/89621457.svg)](https://zenodo.org/badge/latestdoi/89621457)
 
+[![Syntax Check](https://travis-ci.org/common-workflow-language/user_guide.svg?branch=master)](https://travis-ci.org/common-workflow-language/user_guide)
+
 [User guide for CWL v1.0.1](http://www.commonwl.org/user_guide/)
 
 Original source: