diff --git a/TCAP/src/tcap_user.erl b/TCAP/src/tcap_user.erl
index 107cfb8..4a3edc9 100644
--- a/TCAP/src/tcap_user.erl
+++ b/TCAP/src/tcap_user.erl
@@ -46,7 +46,7 @@
 -copyright('Copyright (c) 2011 Harald Welte').
 -author('Harald Welte <laforge@gnumonks.org>').
 
--export([send_prim/2, start_sap/3]).
+-export([get_dialg_id/1, send_prim/2, start_sap/3]).
 
 -include("tcap.hrl").