diff --git a/setup/installer/windows/freeze.py b/setup/installer/windows/freeze.py
index 3e251d2dcf..c5ea18e2e9 100644
--- a/setup/installer/windows/freeze.py
+++ b/setup/installer/windows/freeze.py
@@ -14,7 +14,7 @@ from setup.build_environment import msvc, MT, RC
 from setup.installer.windows.wix import WixMixIn
 
 OPENSSL_DIR = r'Q:\openssl'
-QT_DIR = 'Q:\\Qt\\4.8.0'
+QT_DIR = 'Q:\\Qt\\4.8.1'
 QT_DLLS = ['Core', 'Gui', 'Network', 'Svg', 'WebKit', 'Xml', 'XmlPatterns']
 LIBUNRAR         = 'C:\\Program Files\\UnrarDLL\\unrar.dll'
 SW               = r'C:\cygwin\home\kovid\sw'