diff --git a/src/include/86box/machine.h b/src/include/86box/machine.h
index 6c011cc10..da0fdb638 100644
--- a/src/include/86box/machine.h
+++ b/src/include/86box/machine.h
@@ -41,6 +41,7 @@
 #define MACHINE_SOUND		0x010000	/* sys has int sound */
 #define MACHINE_NONMI		0x020000	/* sys does not have NMI's */
 #define MACHINE_FDC		0x040000	/* sys has int FDC */
+#define MACHINE_COREBOOT	0x080000	/* sys has coreboot BIOS */
 #else
 #define MACHINE_PC		0x000000	/* PC architecture */
 #define MACHINE_AT		0x000001	/* PC/AT architecture */
@@ -59,6 +60,7 @@
 #define MACHINE_SOUND		0x010000	/* sys has int sound */
 #define MACHINE_NONMI		0x020000	/* sys does not have NMI's */
 #define MACHINE_FDC		0x040000	/* sys has int FDC */
+#define MACHINE_COREBOOT	0x080000	/* sys has coreboot BIOS */
 #endif
 
 #define IS_ARCH(m, a)		(machines[(m)].flags & (a)) ? 1 : 0;