diff --git a/src/icons/partials/fileExtensions.js b/src/icons/partials/fileExtensions.js
index edd2bd0..7873616 100644
--- a/src/icons/partials/fileExtensions.js
+++ b/src/icons/partials/fileExtensions.js
@@ -1,4 +1,5 @@
 "fileExtensions": {
+  "mdx": "_file_mdx",
   "lnk": "_file_lnk",
   "pm": "_file_perl",
   "pl": "_file_perl",