diff --git a/.config/i3/config.common b/.config/i3/config.common
index 0926963..07339e9 100644
--- a/.config/i3/config.common
+++ b/.config/i3/config.common
@@ -195,6 +195,7 @@ assign [class="^Firefox$"] 1
 assign [class="^Emacs$" instance="^init$"] 3
 assign [class="^calibre$"] 4
 assign [class="^cantata$"] 4
+assign [class="^Supersonic$"] 4
 assign [class="^Virt-manager$"] 5
 assign [class="^Remmina$"] 5
 assign [class="^Transmission-remote-gtk$"] 5