diff --git a/lib/login.c b/lib/login.c
index 32c3c8c..492df3b 100644
--- a/lib/login.c
+++ b/lib/login.c
@@ -1154,6 +1154,7 @@ iscsi_logout_async(struct iscsi_context *iscsi, iscsi_command_cb cb,
 
 	pdu->callback     = cb;
 	pdu->private_data = private_data;
+	pdu->flags |= ISCSI_PDU_CORK_WHEN_SENT;
 
 	if (iscsi_queue_pdu(iscsi, pdu) != 0) {
 		iscsi_set_error(iscsi, "Out-of-memory: failed to queue iscsi "