diff --git a/README.md b/README.md
index 4acc038d4..bdfbe8e4b 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 [![Docker CI](https://github.com/LPCIC/coq-elpi/actions/workflows/main.yml/badge.svg)](https://github.com/LPCIC/coq-elpi/actions/workflows/main.yml)
 [![Nix CI](https://github.com/LPCIC/coq-elpi/actions/workflows/nix-action-coq-8.19.yml/badge.svg)](https://github.com/LPCIC/coq-elpi/actions/workflows/nix-action-coq-8.19.yml)
-[![Nix CI](https://github.com/LPCIC/coq-elpi/actions/workflows/nix-action-coq-master-yml/badge.svg)](https://github.com/LPCIC/coq-elpi/actions/workflows/nix-action-coq-master.yml)
+[![Nix CI](https://github.com/LPCIC/coq-elpi/actions/workflows/nix-action-coq-master.yml/badge.svg)](https://github.com/LPCIC/coq-elpi/actions/workflows/nix-action-coq-master.yml)
 [![DOC](https://github.com/LPCIC/coq-elpi/actions/workflows/doc.yml/badge.svg)](https://github.com/LPCIC/coq-elpi/actions/workflows/doc.yml)
 [![project chat](https://img.shields.io/badge/zulip-join_chat-brightgreen.svg)](https://coq.zulipchat.com/#narrow/stream/253928-Elpi-users.20.26.20devs)
 <img align="right" src="https://github.com/LPCIC/coq-elpi/raw/master/etc/logo.png" alt="Coq-Elpi logo" width="25%" />