diff --git a/Library/Homebrew/os/mac/xcode.rb b/Library/Homebrew/os/mac/xcode.rb
index bc35fa4ed9..deaac14854 100644
--- a/Library/Homebrew/os/mac/xcode.rb
+++ b/Library/Homebrew/os/mac/xcode.rb
@@ -19,6 +19,7 @@ module MacOS::Xcode extend self
 
   def latest_version
     case MacOS.version
+    when 10.4       then "2.5"
     when 10.5       then "3.1.4"
     when 10.6       then "3.2.6"
     when 10.7, 10.8 then "4.6.2"