diff --git a/_sass/_datacoop.scss b/_sass/_datacoop.scss
index 9067293..eb94672 100644
--- a/_sass/_datacoop.scss
+++ b/_sass/_datacoop.scss
@@ -81,6 +81,10 @@
     background-repeat: no-repeat;
 }
 
+.service.mastodon {
+    background-image: url(/images/logos/mastodon.png);
+}
+
 .service.nextcloud {
     background-image: url(/images/logos/nextcloud.png);
 }