diff --git a/corfu-mouse.el b/corfu-mouse.el
index 3812060..7eb8ca9 100644
--- a/corfu-mouse.el
+++ b/corfu-mouse.el
@@ -37,10 +37,16 @@
 
 (require 'corfu)
 
+(defgroup corfu-mouse nil
+  "Mouse support for Corfu."
+  :group 'corfu
+  :link '(url-link "https://codeberg.org/akib/emacs-corfu-mouse")
+  :prefix "corfu-mouse-")
+
 (defface corfu-mouse
   '((t :inherit highlight))
   "Face used for mouse highlighting."
-  :group 'corfu-faces)
+  :group 'corfu-mouse)
 
 (defvar corfu-mouse--completion-buffer nil
   "The buffer for which the popup is being shown.")