diff --git a/kvm.c b/kvm.c
index fc1b8d7..3b00118 100644
--- a/kvm.c
+++ b/kvm.c
@@ -64,6 +64,7 @@ struct {
 	{ DEFINE_KVM_EXT(KVM_CAP_USER_MEMORY) },
 	{ DEFINE_KVM_EXT(KVM_CAP_IRQ_ROUTING) },
 	{ DEFINE_KVM_EXT(KVM_CAP_IRQCHIP) },
+	{ DEFINE_KVM_EXT(KVM_CAP_HLT) },
 	{ DEFINE_KVM_EXT(KVM_CAP_IRQ_INJECT_STATUS) },
 };