Prevent MB false-positive on bad board name

7 years ago · b9418439b9
1 changed files with 1 additions and 1 deletions
--- a/Marlin/src/core/boards.h
+++ b/Marlin/src/core/boards.h
@ -226,6 +226,6 @@
 #define BOARD_THE_BORG         1860   // THE-BORG (Power outputs: Hotend0, Hotend1, Bed, Fan)


-#define MB(board) (MOTHERBOARD==BOARD_##board)
+#define MB(board) (defined(BOARD_##board) && MOTHERBOARD==BOARD_##board)

 #endif // __BOARDS_H