diff --git a/lisp/my/my.el b/lisp/my/my.el
index 7616fbf7..83e4245d 100644
--- a/lisp/my/my.el
+++ b/lisp/my/my.el
@@ -540,7 +540,7 @@ Example usage
      "if link description is empty use color as description.
 [[color:COLOR][DESCRIPTION]]"
      (cond
-      ((or (eq backend 'html) (eq backend 'article-html))
+      ((org-export-derived-backend-p backend 'html)
        (let ((rgb (color-name-to-rgb color)))
          (if rgb
              (format "<span style=\"color: rgb(%d,%d,%d)\">%s</span>"