diff --git a/lua/lazyvim/plugins/extras/lang/markdown.lua b/lua/lazyvim/plugins/extras/lang/markdown.lua
index 0b1c08a8..856d3ab6 100644
--- a/lua/lazyvim/plugins/extras/lang/markdown.lua
+++ b/lua/lazyvim/plugins/extras/lang/markdown.lua
@@ -1,7 +1,10 @@
+vim.filetype.add({
+  extension = { mdx = "markdown.mdx" },
+})
 return {
   recommended = function()
     return LazyVim.extras.wants({
-      ft = "markdown",
+      ft = { "markdown", "markdown.mdx" },
       root = "README.md",
     })
   end,