@@ -35,7 +35,8 @@
// MYSERIAL0 required before MarlinSerial includes!
- #define _MSERIAL(X) Serial##X
+ #define __MSERIAL(X) Serial##X
+ #define _MSERIAL(X) __MSERIAL(X)
#define MSERIAL(X) _MSERIAL(INCREMENT(X))
#if SERIAL_PORT == -1