diff --git a/modules/init-flycheck.el b/modules/init-flycheck.el
index 1d55abcf..377f6e16 100644
--- a/modules/init-flycheck.el
+++ b/modules/init-flycheck.el
@@ -167,7 +167,7 @@ See URL `http://pypi.python.org/pypi/ruff'."
               (markdown-view-mode)
               (font-lock-flush)
               (font-lock-ensure))))))
-    :modes python-mode)
+    :modes (python-mode python-ts-mode))
 
   (add-to-list 'flycheck-checkers 'exordium-python-ruff)
   (flycheck-add-next-checker 'exordium-python-ruff '(warning . exordium-python-mypy)))