diff --git a/build_files/scons/config/darwin-config.py b/build_files/scons/config/darwin-config.py
index 5a1069618b9..1ded1af9976 100644
--- a/build_files/scons/config/darwin-config.py
+++ b/build_files/scons/config/darwin-config.py
@@ -14,7 +14,7 @@ USE_SDK=True
 ###################     Cocoa & architecture settings      ##################
 #############################################################################
 WITH_GHOST_COCOA=True
-MACOSX_ARCHITECTURE = 'i386' # valid archs: ppc, i386, ppc64, x86_64
+MACOSX_ARCHITECTURE = 'x86_64' # valid archs: ppc, i386, ppc64, x86_64
 
 
 cmd = 'uname -p'
@@ -97,7 +97,7 @@ else :
         # OSX 10.8 with Xcode 4.4 and higher (no 10.6sdk! )
         MAC_MIN_VERS = '10.6'
         MACOSX_DEPLOYMENT_TARGET = '10.6'
-        MACOSX_SDK='/Developer/SDKs/MacOSX10.7.sdk'
+        MACOSX_SDK='/Developer/SDKs/MacOSX10.8.sdk'
         LCGDIR = '#../lib/darwin-9.x.universal'
         CC = 'gcc'
         CXX = 'g++'
diff --git a/build_files/scons/tools/btools.py b/build_files/scons/tools/btools.py
index 8f0d3ff590b..7b1737a1e70 100644
--- a/build_files/scons/tools/btools.py
+++ b/build_files/scons/tools/btools.py
@@ -428,7 +428,7 @@ def read_opts(env, cfg, args):
         (BoolVariable('WITH_GHOST_SDL', 'Enable building blender against SDL for windowing rather then the native APIs', False)),
         (BoolVariable('WITH_X11_XINPUT', 'Enable X11 Xinput (tablet support and unicode input)', True)),
         (BoolVariable('WITH_X11_XF86VMODE', 'Enable X11 video mode switching', True)),
-        (BoolVariable('USE_QTKIT', 'Use QTKIT if true', False)),
+        (BoolVariable('USE_QTKIT', 'Use QTKIT if true', True)),
         ('BF_OPENMP_LIB_STATIC', 'OpenMP static library', ''),
 
         (BoolVariable('WITH_BF_QUICKTIME', 'Use QuickTime if true', False)),