diff --git a/arch/arm64/kvm/emulate-nested.c b/arch/arm64/kvm/emulate-nested.c
index e5874effdf16..774cfbf5b43b 100644
--- a/arch/arm64/kvm/emulate-nested.c
+++ b/arch/arm64/kvm/emulate-nested.c
@@ -2435,7 +2435,7 @@ static u64 kvm_get_sysreg_res0(struct kvm *kvm, enum vcpu_sysreg sr)
 
 	masks = kvm->arch.sysreg_masks;
 
-	return masks->mask[sr - __VNCR_START__].res0;
+	return masks->mask[sr - __SANITISED_REG_START__].res0;
 }
 
 static bool check_fgt_bit(struct kvm_vcpu *vcpu, enum vcpu_sysreg sr,