diff --git a/README.md b/README.md
index 9bd2fb0fe..031a04a2c 100644
--- a/README.md
+++ b/README.md
@@ -4,8 +4,8 @@ ecCodes
 [![Linux & macOS: master](https://img.shields.io/github/actions/workflow/status/ecmwf/eccodes/ci.yml?branch=master&label=Linux%20%26%20MacOS%3A%20master)](https://github.com/ecmwf/eccodes/actions/workflows/ci.yml?query=branch%3Amaster)
 [![Linux & macOS: develop](https://img.shields.io/github/actions/workflow/status/ecmwf/eccodes/ci.yml?branch=develop&label=Linux%20%26%20MacOS%3A%20develop)](https://github.com/ecmwf/eccodes/actions/workflows/ci.yml?query=branch%3Adevelop)
 
-[![Windows: master](https://img.shields.io/appveyor/ci/ecmwf/eccodes/master.svg?label=Windows-master)](https://ci.appveyor.com/project/ecmwf/eccodes/branch/master)
-[![Windows: develop](https://img.shields.io/appveyor/ci/ecmwf/eccodes/develop.svg?label=Windows-dev)](https://ci.appveyor.com/project/ecmwf/eccodes/branch/develop)
+[![Windows: master](https://img.shields.io/appveyor/ci/ecmwf/eccodes/master.svg?label=Windows%3A%20master)](https://ci.appveyor.com/project/ecmwf/eccodes/branch/master)
+[![Windows: develop](https://img.shields.io/appveyor/ci/ecmwf/eccodes/develop.svg?label=Windows%3A%20dev)](https://ci.appveyor.com/project/ecmwf/eccodes/branch/develop)
 
 ecCodes is a package developed by ECMWF which provides an application programming interface
 and a set of tools for decoding and encoding messages in the following formats: