diff --git a/README.md b/README.md
index d754e64..6780cb9 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # k2ping
 
-[![Build Status](https://travis-ci.org/kou029w/k2ping.svg?branch=master)](https://travis-ci.org/kou029w/k2ping)
+[![Build Status](https://travis-ci.org/kou029w/k2ping.svg?branch=develop)](https://travis-ci.org/kou029w/k2ping)
 
 安価に製作できるpingでの死活監視装置です。