diff --git a/src/apps/lwiperf/lwiperf.c b/src/apps/lwiperf/lwiperf.c
index 26b1e3b5..144c8bd2 100644
--- a/src/apps/lwiperf/lwiperf.c
+++ b/src/apps/lwiperf/lwiperf.c
@@ -302,7 +302,7 @@ lwiperf_tcp_client_send_more(lwiperf_state_tcp_t *conn)
       /* this session is byte-limited */
       u32_t amount_bytes = lwip_htonl(conn->settings.amount);
       /* @todo: this can send up to 1*MSS more than requested... */
-      if (amount_bytes >= conn->bytes_transferred) {
+      if (conn->bytes_transferred >= amount_bytes) {
         /* all requested bytes transferred -> close the connection */
         lwiperf_tcp_close(conn, LWIPERF_TCP_DONE_CLIENT);
         return ERR_OK;