diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index c6f4ad44aa95cc8f1a9013ad4fc54d22d5b2a5f7..7698e8f321bf492ad498ac4650aa0f3ac73e9ad5 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -11213,7 +11213,7 @@ static int vmx_write_pml_buffer(struct kvm_vcpu *vcpu)
 		if (!nested_cpu_has_pml(vmcs12))
 			return 0;
 
-		if (vmcs12->guest_pml_index > PML_ENTITY_NUM) {
+		if (vmcs12->guest_pml_index >= PML_ENTITY_NUM) {
 			vmx->nested.pml_full = true;
 			return 1;
 		}