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-rw-r--r--examples/tcp_echo/src/echo_protocol.erl5
1 files changed, 4 insertions, 1 deletions
diff --git a/examples/tcp_echo/src/echo_protocol.erl b/examples/tcp_echo/src/echo_protocol.erl
index 85ea289..5ed79b3 100644
--- a/examples/tcp_echo/src/echo_protocol.erl
+++ b/examples/tcp_echo/src/echo_protocol.erl
@@ -1,7 +1,10 @@
%% Feel free to use, reuse and abuse the code in this file.
-module(echo_protocol).
--export([start_link/4, init/4]).
+-behaviour(ranch_protocol).
+
+-export([start_link/4]).
+-export([init/4]).
start_link(Ref, Socket, Transport, Opts) ->
Pid = spawn_link(?MODULE, init, [Ref, Socket, Transport, Opts]),