diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 1fa12eb7..1376bd20 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -881,6 +881,8 @@ Prolog:
 
 Puppet:
   type: programming
+  # Lexer is too buggy and slow
+  lexer: Text only
   extensions:
   - .pp
   filenames: