diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 6b52b301..956ee332 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -879,6 +879,7 @@ OCaml:
   color: "#3be133"
   primary_extension: .ml
   extensions:
+  - .eliom
   - .eliomi
   - .mli
   - .mll