diff --git a/uppbox/Scripts/win b/uppbox/Scripts/win
index 1faf9f0d7..c8687b866 100644
--- a/uppbox/Scripts/win
+++ b/uppbox/Scripts/win
@@ -4,7 +4,7 @@ set -e
 # u:/ is set to be the home folder of account responsible for building
 # wine and SDK is installed there...
 
-wine u:/Win32/upp/umk u:/upp.src/uppbox,u:/upp.src/uppsrc MakeInstall5 u:/Win32/upp/MSC9.bm -ar u:/mku.exe
+wine u:/Win32/upp/umk u:/upp.src/uppbox,u:/upp.src/uppsrc MakeInstall5 u:/Win32/upp/MINGW.bm -ar u:/mku.exe
 wine u:/mku.exe
 
 #~/bin/upload