diff --git a/README.rst b/README.rst
index 78a256c0d..cf9039b70 100644
--- a/README.rst
+++ b/README.rst
@@ -16,4 +16,7 @@ Pillow is the "friendly" PIL fork by Alex Clark and Contributors. PIL is the Pyt
     :target: https://pypi.python.org/pypi/Pillow/
     :alt: Number of PyPI downloads
 
+.. image:: https://coveralls.io/repos/python-imaging/Pillow/badge.png?branch=master
+  :target: https://coveralls.io/r/python-imaging/Pillow?branch=master
+
 The documentation is hosted at http://pillow.readthedocs.org/. It contains installation instructions, tutorials, reference, compatibility details, and more.