diff --git a/modules/exploits/osx/local/iokit_keyboard_root.rb b/modules/exploits/osx/local/iokit_keyboard_root.rb
index 03b2c702c6..908194011b 100644
--- a/modules/exploits/osx/local/iokit_keyboard_root.rb
+++ b/modules/exploits/osx/local/iokit_keyboard_root.rb
@@ -7,7 +7,7 @@ require 'msf/core'
 require 'rex'
 
 class Metasploit3 < Msf::Exploit::Local
-  Rank = ManualRanking
+  Rank = ManualRanking # Can cause kernel crash
 
   include Msf::Post::File
   include Msf::Exploit::EXE