diff --git a/setup/extensions.py b/setup/extensions.py
index d520cbf622..893ce1be39 100644
--- a/setup/extensions.py
+++ b/setup/extensions.py
@@ -348,8 +348,10 @@ class Build(Command):
                 VERSION  = 1.0.0
                 CONFIG   += %s
             ''')%(ext.name, ' '.join(ext.headers), ' '.join(ext.sources), archs)
+            pro = pro.replace('\\', '\\\\')
             open(ext.name+'.pro', 'wb').write(pro)
-            subprocess.check_call([QMAKE, '-o', 'Makefile', ext.name+'.pro'])
+            subprocess.check_call([QMAKE, '-o', 'Makefile', '-spec',
+                'win32-msvc2008', ext.name+'.pro'])
             subprocess.check_call([make, '-f', 'Makefile'])
             objects = glob.glob(obj_pat)
         return list(map(self.a, objects))
diff --git a/setup/installer/windows/freeze.py b/setup/installer/windows/freeze.py
index 29809907ab..35fe78b13b 100644
--- a/setup/installer/windows/freeze.py
+++ b/setup/installer/windows/freeze.py
@@ -13,7 +13,7 @@ from setup import Command, modules, functions, basenames, __version__, \
 from setup.build_environment import msvc, MT, RC
 from setup.installer.windows.wix import WixMixIn
 
-QT_DIR = 'C:\\Qt\\4.6.3'
+QT_DIR = 'Q:\\Qt\\4.7.0'
 QT_DLLS = ['Core', 'Gui', 'Network', 'Svg', 'WebKit', 'Xml', 'XmlPatterns']
 LIBUSB_DIR       = 'C:\\libusb'
 LIBUNRAR         = 'C:\\Program Files\\UnrarDLL\\unrar.dll'
diff --git a/setup/installer/windows/notes.rst b/setup/installer/windows/notes.rst
index 545070f7ff..46aabecfa0 100644
--- a/setup/installer/windows/notes.rst
+++ b/setup/installer/windows/notes.rst
@@ -37,8 +37,7 @@ Qt
 
 Extract Qt sourcecode to C:\Qt\4.x.x. Run configure and make::
 
-    configure -opensource -qt-zlib -qt-gif -qt-libmng -qt-libpng -qt-libtiff -qt-libjpeg -release -platform win32-msvc -no-qt3support -webkit -xmlpatterns -no-phonon
-    nmake
+    configure -opensource -release -qt-zlib -qt-gif -qt-libmng -qt-libpng -qt-libtiff -qt-libjpeg -release -platform win32-msvc2008 -no-qt3support -webkit -xmlpatterns -no-phonon -no-style-plastique -no-style-cleanlooks -no-style-motif -no-style-cde -no-declarative -no-scripttools -no-audio-backend -no-multimedia -no-dbus -no-openvg -no-opengl -no-qt3support -confirm-license && nmake
 
 SIP
 -----