diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index 08ccbe3..cfdd248 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -28,7 +28,7 @@
 
 #include <linux/irqchip/arm-gic-v4.h>
 
-#define VGIC_V3_MAX_CPUS	255
+#define VGIC_V3_MAX_CPUS	512
 #define VGIC_V2_MAX_CPUS	8
 #define VGIC_NR_IRQS_LEGACY     256
 #define VGIC_NR_SGIS		16