diff --git a/ipa/MSC_ConnectionHandler.ttcn b/ipa/MSC_ConnectionHandler.ttcn
index 0d7cd20..9cec556 100644
--- a/ipa/MSC_ConnectionHandler.ttcn
+++ b/ipa/MSC_ConnectionHandler.ttcn
@@ -52,7 +52,7 @@
 /* main function processing various incoming events */
 function main(integer connection_id, integer timeslot) runs on MSC_ConnHdlr {
 	g_sccp_conn_id := connection_id;
-	g_e1_timeslot := timeslot
+	g_e1_timeslot := 1; /* FIXME */
 
 	while (true) {
 		var PDU_BSSAP bssap;