diff --git a/Library/Homebrew/cmd/--config.rb b/Library/Homebrew/cmd/--config.rb
index 9b6fec1105..98b943b195 100644
--- a/Library/Homebrew/cmd/--config.rb
+++ b/Library/Homebrew/cmd/--config.rb
@@ -36,6 +36,14 @@ module Homebrew extend self
     if sha.empty? then "(none)" else sha end
   end
 
+  def describe_x11
+    return "N/A" unless x11_installed?
+    return case x11_path = Pathname.new("/usr/x11").realpath.to_s
+    when "/usr/x11" then "/usr/x11"
+    else "/usr/x11 => #{x11_path}"
+    end
+  end
+
   def describe_perl
     perl = `which perl`.chomp
     return "N/A" if perl.empty?
@@ -82,7 +90,7 @@ module Homebrew extend self
     LLVM: #{llvm ? "build #{llvm}" : "N/A"}
     Clang: #{clang ? "#{clang} build #{clang_build}" : "N/A"}
     MacPorts or Fink? #{macports_or_fink_installed?}
-    X11 installed? #{x11_installed?}
+    X11: #{describe_x11}
     System Ruby: #{RUBY_VERSION}-#{RUBY_PATCHLEVEL}
     /usr/bin/ruby => #{real_path("/usr/bin/ruby")}
     Which Perl:   #{describe_perl}