diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index d4f8d9b2..66b3de71 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -1616,6 +1616,8 @@ Mercury:
   type: programming
   color: "#abcdef"
   ace_mode: prolog
+  interpreters:
+  - mmi
   extensions:
   - .m
   - .moo