diff --git a/README.rst b/README.rst
index 16c05d5b30f5c5cb0f5f473c7827ae690674c8a0..fd66886b4f01652da6704ba0e62e5c5310c7ea99 100644
--- a/README.rst
+++ b/README.rst
@@ -4,7 +4,7 @@ Pytools: Lots of Little Utilities
 .. image:: https://gitlab.tiker.net/inducer/pytools/badges/master/pipeline.svg
     :alt: Gitlab Build Status
     :target: https://gitlab.tiker.net/inducer/pytools/commits/master
-.. image:: https://github.com/inducer/pytools/workflows/CI/badge.svg
+.. image:: https://github.com/inducer/pytools/workflows/CI/badge.svg?branch=master
     :alt: Github Build Status
     :target: https://github.com/inducer/pytools/actions?query=branch%3Amaster+workflow%3ACI
 .. image:: https://badge.fury.io/py/pytools.png