diff --git a/bacnet-stack/build.bat b/bacnet-stack/build.bat
index 94640c41..44342eea 100644
--- a/bacnet-stack/build.bat
+++ b/bacnet-stack/build.bat
@@ -1,5 +1,6 @@
 @echo off
 echo Build with MinGW mingw.sourceforge.net
+echo Note: copy mingw32-make.exe to make.exe to build for Win32
 make BACNET_PORT=win32 OPTIMIZATION=-Os DEBUGGING= clean all
 rem Build for MinGW debug
 rem make BACNET_PORT=win32 clean all