diff --git a/lua/lazyvim/plugins/extras/lang/markdown.lua b/lua/lazyvim/plugins/extras/lang/markdown.lua
index dcffbad0..81f4cc88 100644
--- a/lua/lazyvim/plugins/extras/lang/markdown.lua
+++ b/lua/lazyvim/plugins/extras/lang/markdown.lua
@@ -10,7 +10,8 @@ return {
     optional = true,
     opts = {
       formatters_by_ft = {
-        markdown = { { "prettierd", "prettier" }, "markdownlint", "markdown-toc" },
+        ["markdown"] = { { "prettierd", "prettier" }, "markdownlint", "markdown-toc" },
+        ["markdown.mdx"] = { { "prettierd", "prettier" }, "markdownlint", "markdown-toc" },
       },
     },
   },