diff --git a/cmake/Modules/winconf.cmake b/cmake/Modules/winconf.cmake
index 81ddf2867..33f8b9efb 100644
--- a/cmake/Modules/winconf.cmake
+++ b/cmake/Modules/winconf.cmake
@@ -17,7 +17,7 @@ add_definitions(-DUNICODE
     -DWIN32
     -D_WIN32
     -DWIN32_LEAN_AND_MEAN
-    -DNTDDI_VERSION=0x0501
+    -DNTDDI_VERSION=0x05010000
     -D_WIN32_WINNT=0x0501
     -D_WIN32_IE=0x0500
     -D_CRT_SECURE_NO_DEPRECATE
diff --git a/winconf.pri b/winconf.pri
index 77e43091c..b8859b7bd 100644
--- a/winconf.pri
+++ b/winconf.pri
@@ -41,7 +41,7 @@ DEFINES += _UNICODE
 DEFINES += WIN32
 DEFINES += _WIN32
 DEFINES += WIN32_LEAN_AND_MEAN
-DEFINES += NTDDI_VERSION=0x0501
+DEFINES += NTDDI_VERSION=0x05010000
 DEFINES += _WIN32_WINNT=0x0501
 DEFINES += _WIN32_IE=0x0501
 DEFINES += _CRT_SECURE_NO_DEPRECATE