diff --git a/src/acpi/acpi_apic.c b/src/acpi/acpi_apic.c
index 9098811..ebff44f 100644
--- a/src/acpi/acpi_apic.c
+++ b/src/acpi/acpi_apic.c
@@ -11,7 +11,7 @@
 {
 	lapic->type = LOCAL_APIC; /* Local APIC structure */
 	lapic->length = sizeof(acpi_madt_lapic_t);
-	lapic->flags = (1 << 0); /* Processor/LAPIC enabled */
+	lapic->flags = ACPI_MADT_LAPIC_ENABLED;
 	lapic->processor_id = cpu;
 	lapic->apic_id = apic;
 
@@ -23,7 +23,7 @@
 	lapic->type = LOCAL_X2APIC; /* Local APIC structure */
 	lapic->reserved = 0;
 	lapic->length = sizeof(acpi_madt_lx2apic_t);
-	lapic->flags = (1 << 0); /* Processor/LAPIC enabled */
+	lapic->flags = ACPI_MADT_LAPIC_ENABLED;
 	lapic->processor_id = cpu;
 	lapic->x2apic_id = apic;
 
diff --git a/src/include/acpi/acpi.h b/src/include/acpi/acpi.h
index 0e5b4b2..4a71aef 100644
--- a/src/include/acpi/acpi.h
+++ b/src/include/acpi/acpi.h
@@ -726,6 +726,10 @@
 
 #define ACPI_MADT_MAX_LAPIC_ID		0xfe
 
+/* MADT Local APIC Feature Flags */
+#define ACPI_MADT_LAPIC_ENABLED		(1 << 0)
+#define ACPI_MADT_LAPIC_ONLINE_CAPABLE	(1 << 1)
+
 /* MADT: Local APIC NMI Structure */
 typedef struct acpi_madt_lapic_nmi {
 	u8 type;			/* Type (4) */