diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index edabb499..7111437b 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -1622,6 +1622,8 @@ Mercury:
   color: "#abcdef"
   lexer: Prolog
   ace_mode: prolog
+  interpreters:
+  - mmi
   extensions:
   - .m
   - .moo