diff --git a/distrib/builder/event.py b/distrib/builder/event.py
index 4f2869dbdc..671c38707b 100644
--- a/distrib/builder/event.py
+++ b/distrib/builder/event.py
@@ -35,14 +35,16 @@ def __init__(self, build=None):
         self.packageName = {'doomsday': 'Doomsday',
                             'fmod':     'FMOD Ex Audio Plugin'}
         
-        # Platforms:  Name                         File ext     sys_id()
-        self.oses = [('Windows (x86)',             '.exe',      'win32-32bit'),
-                     ('Mac OS X 10.4+ (i386/ppc)', '.dmg',      'darwin-32bit'),
-                     ('Ubuntu (x86)',              'i386.deb',  'linux2-32bit'),
-                     ('Ubuntu (x86_64)',           'amd64.deb', 'linux2-64bit')]
+        # Platforms:  Name                            File ext     sys_id()
+        self.oses = [('Windows (x86)',                '.exe',      'win32-32bit'),
+                     ('Mac OS X 10.4+ (ppc/i386)',    '.dmg',      'darwin-32bit'),
+                     ('Mac OS X 10.6+ (x86_64/i386)', '64bit.dmg', 'darwin-64bit'),
+                     ('Ubuntu (x86)',                 'i386.deb',  'linux2-32bit'),
+                     ('Ubuntu (x86_64)',              'amd64.deb', 'linux2-64bit')]
 
         self.platId = {'win32-32bit':  'win-x86',
                        'darwin-32bit': 'mac10_4-x86-ppc',
+                       'darwin-64bit': 'mac10_6-x86-x86_64',
                        'linux2-32bit': 'linux-x86',
                        'linux2-64bit': 'linux-x86_64'}