diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 2214384..42160b0 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1212,6 +1212,7 @@
 	case KVM_CAP_IRQ_INJECT_STATUS:
 	case KVM_CAP_ASSIGN_DEV_IRQ:
 	case KVM_CAP_IRQFD:
+	case KVM_CAP_IOEVENTFD:
 	case KVM_CAP_PIT2:
 	case KVM_CAP_PIT_STATE2:
 		r = 1;