diff --git a/README.md b/README.md
index f9674fab..026eb93b 100644
--- a/README.md
+++ b/README.md
@@ -84,4 +84,4 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 
-[![Build Status](https://secure.travis-ci.org/openseadragon/openseadragon.png)](http://travis-ci.org/openseadragon/openseadragon)
+[![Build Status](https://secure.travis-ci.org/openseadragon/openseadragon.png?branch=master)](http://travis-ci.org/openseadragon/openseadragon)