diff --git a/README.rst b/README.rst
index 24da4f1..dce485d 100644
--- a/README.rst
+++ b/README.rst
@@ -14,7 +14,7 @@ The newtonprop Python package
 .. image:: https://ci.appveyor.com/api/projects/status/vf9vb3k6dqee1oad?svg=true
    :alt: AppVeyor Continuous Integration
    :target: https://ci.appveyor.com/project/goerz/newtonprop
-.. image:: https://img.shields.io/coveralls/github/qucontrol/newtonprop/badge.svg?branch=master
+.. image:: https://img.shields.io/coveralls/github/qucontrol/newtonprop/master.svg
    :alt: Coveralls
    :target: https://coveralls.io/github/qucontrol/newtonprop?branch=master
 .. image:: https://readthedocs.org/projects/newtonprop/badge/?version=latest
diff --git a/docs/index.rst b/docs/index.rst
index f6f0036..8aabf6a 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -13,7 +13,7 @@ Welcome to the newtonprop's Python package's documentation!
 .. image:: https://ci.appveyor.com/api/projects/status/vf9vb3k6dqee1oad?svg=true
    :alt: AppVeyor Continuous Integration
    :target: https://ci.appveyor.com/project/goerz/newtonprop
-.. image:: https://img.shields.io/coveralls/github/qucontrol/newtonprop/badge.svg?branch=master
+.. image:: https://img.shields.io/coveralls/github/qucontrol/newtonprop/master.svg
    :alt: Coveralls
    :target: https://coveralls.io/github/qucontrol/newtonprop?branch=master
 .. image:: https://readthedocs.org/projects/newtonprop/badge/?version=latest