diff --git a/README.md b/README.md
index 28bba19..26c0ef0 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-[![Coverage Status](https://coveralls.io/repos/github/pooltogether/sushi-pooltogether/badge.svg)](https://coveralls.io/github/pooltogether/sushi-pooltogether)
+[![Coverage Status](https://coveralls.io/repos/github/pooltogether/sushi-pooltogether/badge.svg?branch=master)](https://coveralls.io/github/pooltogether/sushi-pooltogether?branch=master)
 ![Tests](https://github.com/pooltogether/sushi-pooltogether/actions/workflows/test.yml/badge.svg)
 ![Linting](https://github.com/pooltogether/sushi-pooltogether/actions/workflows/lint.yml/badge.svg)