diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 6e8c4ed2cc24..516d8b1562c8 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1026,7 +1026,7 @@ static int set_efer(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
 	u64 efer = msr_info->data;
 
 	if (efer & efer_reserved_bits)
-		return false;
+		return 1;
 
 	if (!msr_info->host_initiated) {
 		if (!__kvm_valid_efer(vcpu, efer))