diff --git a/group_vars/all/mako.yml b/group_vars/all/mako.yml
index c646950..15da653 100644
--- a/group_vars/all/mako.yml
+++ b/group_vars/all/mako.yml
@@ -45,9 +45,15 @@ mako_rules:
     - field: app-name
       value: cmus
     options:
-      border-color: '#00000000'
       default-timeout: 10000
       padding: 7
+      format: '%b'
+  - criterias:
+    - field: app-name
+      value: cmus
+    - field: grouped
+    options:
+      format: '%b'
 
 mako_keybindings:
   - mode: 'normal'