Add link to Travis CI page.
diff --git a/README.md b/README.md
index 5730ddc..348c453 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,6 @@
 
 If you want to reach the authors in private, use <libzip@nih.at>.
 
-![Travis Build Status](https://api.travis-ci.org/nih-at/libzip.svg?branch=master)
+[![Travis Build Status](https://api.travis-ci.org/nih-at/libzip.svg?branch=master)](https://travis-ci.org/nih-at/libzip)
 [![Appveyor Build status](https://ci.appveyor.com/api/projects/status/5x1raqqjro4wny7r?svg=true)](https://ci.appveyor.com/project/0-wiz-0/libzip)
 ![Coverity Status](https://scan.coverity.com/projects/127/badge.svg?flat=1)