diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 2a683e21..7f5df442 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -764,6 +764,8 @@ Max/MSP:
   primary_extension: .mxt
   extensions:
   - .mxt
+  - .maxpat
+  - .maxhelp
 
 MiniD: # Legacy
   searchable: false