diff --git a/test/lisp/progmodes/ruby-ts-mode-tests.el b/test/lisp/progmodes/ruby-ts-mode-tests.el
index 0e258275f97..e0d9f1b5c50 100644
--- a/test/lisp/progmodes/ruby-ts-mode-tests.el
+++ b/test/lisp/progmodes/ruby-ts-mode-tests.el
@@ -259,6 +259,7 @@ The whitespace before and including \"|\" on each line is removed."
     (should (string= (ruby-ts-add-log-current-function) "M::C#foo"))))
 
 (ert-deftest ruby-ts-syntax-propertize-symbol ()
+  (skip-unless (treesit-ready-p 'ruby t))
   (pcase-dolist (`(,str . ,expected)
                  '((":abc" . ":abc")
                    (":foo?" . #(":foo?" 4 5 (syntax-table (3))))