diff --git a/lib/constants.js b/lib/constants.js
index edcb79d20..655d60924 100644
--- a/lib/constants.js
+++ b/lib/constants.js
@@ -884,6 +884,7 @@ export const LANGUAGES = [
   },
   {
     name: 'OCaml',
+    mime: 'text/x-ocaml',
     mode: 'mllike',
     short: 'ocaml',
     highlight: true,