diff --git a/Support/lib/Ruby/command.rb b/Support/lib/Ruby/command.rb
index f128d2b3..fe32f880 100644
--- a/Support/lib/Ruby/command.rb
+++ b/Support/lib/Ruby/command.rb
@@ -11,6 +11,7 @@
 require ENV['TM_SUPPORT_PATH'] + '/lib/exit_codes.rb'
 require ENV['TM_SUPPORT_PATH'] + '/lib/ui.rb'
 require ENV['TM_SUPPORT_PATH'] + '/lib/web_preview.rb'
+require ENV['TM_SUPPORT_PATH'] + '/lib/osx/plist'
 require ENV['TM_BUNDLE_SUPPORT'] + '/lib/Ruby/indent.rb'
 require ENV['TM_BUNDLE_SUPPORT'] + '/lib/Ruby/latex.rb'