diff --git a/src/ejabberd_c2s.erl b/src/ejabberd_c2s.erl
index ce68316e8..e67754cfc 100644
--- a/src/ejabberd_c2s.erl
+++ b/src/ejabberd_c2s.erl
@@ -1192,6 +1192,12 @@ handle_event({del_rosteritem, IJID}, StateName, StateData) ->
     NewStateData = roster_change(IJID, none, StateData),
     fsm_next_state(StateName, NewStateData);
 
+handle_event({xmlstreamcdata, _}, StateName, StateData) ->
+    ?DEBUG("cdata ping", []),
+    NSD1 = change_reception(StateData, true),
+    NSD2 = start_keepalive_timer(NSD1),
+    fsm_next_state(StateName, NSD2);
+
 handle_event(_Event, StateName, StateData) ->
     fsm_next_state(StateName, StateData).