diff --git a/README.md b/README.md
index 651c38b..242b1a4 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 [![CI](https://github.com/michael-denyer/pyLocusZoom/actions/workflows/ci.yml/badge.svg)](https://github.com/michael-denyer/pyLocusZoom/actions/workflows/ci.yml)
 [![PyPI](https://img.shields.io/pypi/v/pylocuszoom)](https://pypi.org/project/pylocuszoom/)
-[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.22665975.svg)](https://doi.org/10.5281/zenodo.22665975)
+[![DOI](https://img.shields.io/badge/DOI-10.5281%2Fzenodo.22665975-blue)](https://doi.org/10.5281/zenodo.22665975)
 [![License: GPL v3](https://img.shields.io/badge/License-GPLv3-red.svg)](https://www.gnu.org/licenses/gpl-3.0)
 [![Python 3.10+](https://img.shields.io/badge/python-3.10+-blue.svg)](https://www.python.org/downloads/)
 [![Matplotlib](https://img.shields.io/badge/Matplotlib-3.5+-11557c.svg)](https://matplotlib.org/)