diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index 6161e3f665856cc6b90ef7d5a01baada0f5f9ad2..0afe660aec4bef8780198db7a96ecb9d3ea3643e 100644
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -1629,6 +1629,7 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 		break;
 	case 0xa3:
 	      bt:		/* bt */
+		c->dst.type = OP_NONE;
 		/* only subword offset */
 		c->src.val &= (c->dst.bytes << 3) - 1;
 		emulate_2op_SrcV_nobyte("bt", c->src, c->dst, ctxt->eflags);