diff --git a/Formula/astyle.rb b/Formula/astyle.rb
index 7a655bf9bc4..afc4a3bc082 100644
--- a/Formula/astyle.rb
+++ b/Formula/astyle.rb
@@ -1,15 +1,15 @@
 require 'formula'
 
 class Astyle <Formula
-  @url='http://downloads.sourceforge.net/sourceforge/astyle/astyle_1.23_macosx.tar.gz'
-  @md5='9f7f3237996776d01bc6837cd445a442'
+  @url='http://downloads.sourceforge.net/sourceforge/astyle/astyle_1.24_macosx.tar.gz'
+  @md5='9b63dadac58e867f14b3894befbdc9b3'
   @homepage='http://astyle.sourceforge.net/'
 
   def install
     Dir.chdir 'src' do
       ENV['prefix']=prefix
-      system "make -f ../buildmac/Makefile"
-      bin.install "../bin/astyle"
+      system "make -f ../build/mac/Makefile"
+      bin.install "./bin/astyle"
     end
   end
-end
+end
\ No newline at end of file