diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index a151f8d24a1d..9b5d97db7631 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -3235,7 +3235,8 @@ static int em_lidt(struct x86_emulate_ctxt *ctxt)
 
 static int em_smsw(struct x86_emulate_ctxt *ctxt)
 {
-	ctxt->dst.bytes = 2;
+	if (ctxt->dst.type == OP_MEM)
+		ctxt->dst.bytes = 2;
 	ctxt->dst.val = ctxt->ops->get_cr(ctxt, 0);
 	return X86EMUL_CONTINUE;
 }