diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2bb3196b7..941f32f37 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -344,10 +344,14 @@ ENDIF()
 
 
 IF(WIN32 AND NOT ANDROID)
+    OPTION(OSG_DETERMINE_WIN_VERSION "Wheter to automatically determine current Windows version" ON)
+
+	IF(OSG_DETERMINE_WIN_VERSION)
     # Check window version
     INCLUDE (OsgDetermineWinVersion)
     get_WIN32_WINNT(WIN_VERSION)
     ADD_DEFINITIONS(-D_WIN32_WINNT=${WIN_VERSION})
+    ENDIF(OSG_DETERMINE_WIN_VERSION)
 
     IF(MSVC)
         # This option is to enable the /MP switch for Visual Studio 2005 and above compilers