diff --git a/build.cmd b/build.cmd
index 7045ee1f84..5f16788f7b 100644
--- a/build.cmd
+++ b/build.cmd
@@ -18,6 +18,9 @@ copy %CACHED_NUGET% .nuget\nuget.exe > nul
 IF EXIST packages\KoreBuild goto run
 .nuget\NuGet.exe install KoreBuild -ExcludeVersion -o packages -nocache -pre
 .nuget\NuGet.exe install Sake -version 0.2 -o packages -ExcludeVersion
+CALL packages\KoreBuild\build\kvm upgrade -svr50 -x86
+CALL packages\KoreBuild\build\kvm install default -svrc50 -x86
 
 :run
-packages\Sake\tools\Sake.exe -I packages\KoreBuild\build -f makefile.shade %*
+CALL packages\KoreBuild\build\kvm use default -svr50 -x86
+packages\Sake\tools\Sake.exe -I packages\KoreBuild\build -f makefile.shade %*
\ No newline at end of file