diff --git a/net/uip/uip_tcptimer.c b/net/uip/uip_tcptimer.c
index a2b3cdbe3f8..8a34660b37d 100644
--- a/net/uip/uip_tcptimer.c
+++ b/net/uip/uip_tcptimer.c
@@ -125,6 +125,11 @@ void uip_tcptimer(FAR struct uip_driver_s *dev, FAR struct uip_conn *conn,
       if (conn->timer >= UIP_TIME_WAIT_TIMEOUT)
         {
           conn->tcpstateflags = UIP_CLOSED;
+
+          /* Notify upper layers about the timeout */
+
+          result = uip_tcpcallback(dev, conn, UIP_TIMEDOUT);
+
           nllvdbg("TCP state: UIP_CLOSED\n");
         }
     }