--- a/filladapt.el
+++ b/filladapt.el
@@ -86,7 +86,7 @@
     (defmacro defgroup (&rest args)
       nil)
     (defmacro defcustom (var value doc &rest args) 
-      (` (defvar (, var) (, value) (, doc))))))
+      `(defvar ,var ,value ,doc))))
 
 (defgroup filladapt nil
   "Enhanced filling"