diff --git a/apps/sdlan/src/sdlan_api.erl b/apps/sdlan/src/sdlan_api.erl
index a91afaa..8b671a4 100644
--- a/apps/sdlan/src/sdlan_api.erl
+++ b/apps/sdlan/src/sdlan_api.erl
@@ -63,7 +63,7 @@ auth_token(ClientId, Token, Version) when is_binary(ClientId), is_binary(Token),
 
 -spec auth_network_code(ClientId :: binary(), NetworkCode :: binary(), Version :: integer()) -> {ok, Resp :: map()} | {error, Reason :: any()}.
 auth_network_code(ClientId, NetworkCode, Version) when is_binary(ClientId), is_binary(NetworkCode), is_integer(Version) ->
-    case catch do_post("checkNetwork", #{<<"client_id">> => ClientId, <<"code">> => NetworkCode, <<"version">> => Version}) of
+    case catch do_post("check_network", #{<<"client_id">> => ClientId, <<"code">> => NetworkCode, <<"version">> => Version}) of
         {ok, Resp} ->
             case catch jiffy:decode(Resp, [return_maps]) of
                 Result when is_map(Result) ->