diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 519f3572e48e231a7959acfd614169e47e3be219..02363e37d4a61e8271d7fed0a8c534e9dd90f264 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5067,6 +5067,8 @@ static bool emulator_get_segment(struct x86_emulate_ctxt *ctxt, u16 *selector,
 
 	if (var.unusable) {
 		memset(desc, 0, sizeof(*desc));
+		if (base3)
+			*base3 = 0;
 		return false;
 	}