diff --git a/README.md b/README.md
index 08603e6..9cc848b 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Radicale for YunoHost
 
 [![Integration level](https://dash.yunohost.org/integration/radicale.svg)](https://dash.yunohost.org/appci/app/radicale) ![](https://ci-apps.yunohost.org/ci/badges/radicale.status.svg) ![](https://ci-apps.yunohost.org/ci/badges/radicale.maintain.svg)  
-[![Install Radicale with YunoHost](https://install-app.yunohost.org/install-with-yunohost.png)](https://install-app.yunohost.org/?app=radicale)
+[![Install Radicale with YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=radicale)
 
 *[Lire ce readme en français.](./README_fr.md)*