--- a/mingwmake.bat	Thu Mar 21 18:26:54 2013 +0100
+++ b/mingwmake.bat	Thu Mar 21 18:26:58 2013 +0100
@@ -4,5 +4,9 @@
 @REM do not edit - automatically generated from ProjectDefinition
 @REM -------
 
-@call ..\..\rules\find_mingw.bat
+@pushd ..\..\rules
+@call find_mingw.bat
+@popd
 make.exe -N -f bc.mak %USEMINGW_ARG% %*
+
+