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-rw-r--r--examples/tcp_echo/src/echo_protocol.erl2
1 files changed, 1 insertions, 1 deletions
diff --git a/examples/tcp_echo/src/echo_protocol.erl b/examples/tcp_echo/src/echo_protocol.erl
index 5ed79b3..6e1df40 100644
--- a/examples/tcp_echo/src/echo_protocol.erl
+++ b/examples/tcp_echo/src/echo_protocol.erl
@@ -16,7 +16,7 @@ init(Ref, Socket, Transport, _Opts = []) ->
loop(Socket, Transport) ->
case Transport:recv(Socket, 0, 5000) of
- {ok, Data} ->
+ {ok, Data} when Data =/= <<4>> ->
Transport:send(Socket, Data),
loop(Socket, Transport);
_ ->