diff --git a/bacnet-stack/build.bat b/bacnet-stack/build.bat
index 40d0fd7e..d5c4228e 100644
--- a/bacnet-stack/build.bat
+++ b/bacnet-stack/build.bat
@@ -6,6 +6,8 @@ rem %BORLAND_DIR%\bin\make -f makefile.b32 all
 
 rem Build for MinGW
 make BACNET_PORT=win32 OPTIMIZATION=-Os DEBUGGING= clean all
+rem Build for MinGW debug
+rem make BACNET_PORT=win32 clean all
 
 rem On Linux, install mingw32 and use this:
 rem make BACNET_PORT=win32 OPTIMIZATION=-Os DEBUGGING= CC=i586-mingw32msvc-gcc AR=i586-mingw32msvc-ar clean all