1 files changed, 4 insertions, 0 deletions
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c
index 57355967900..3b265d29ab8 100644
--- a/src/vcl/vppcom.c
+++ b/src/vcl/vppcom.c
@@ -3098,6 +3098,10 @@ vcl_epoll_wait_handle_mq_event (vcl_worker_t * wrk, session_event_t * e,
       /* Generate EPOLLOUT because there's no connected event */
       if (!(EPOLLOUT & session_events))
 	break;
+      /* We didn't have a fifo when the event was added */
+      svm_fifo_add_want_deq_ntf (
+	(vcl_session_is_ct (s) ? s->ct_tx_fifo : s->tx_fifo),
+	SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL);
       add_event = 1;
       events[*num_ev].events = EPOLLOUT;
       session_evt_data = s->vep.ev.data.u64;