diff --git a/library/GSUP_Templates.ttcn b/library/GSUP_Templates.ttcn
index 6d14b02..dcf086d 100644
--- a/library/GSUP_Templates.ttcn
+++ b/library/GSUP_Templates.ttcn
@@ -376,7 +376,7 @@
 
 template GSUP_PDU tr_GSUP_SAI_ERR(template hexstring imsi, template (present) integer cause := ?) :=
 	tr_GSUP(OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR, {
-			tr_GSUP_IE_IMSI(imsi), tr_GSUP_IE_Cause(cause) });
+			tr_GSUP_IE_IMSI(imsi), tr_GSUP_IE_Cause(cause), *});
 
 template (value) GSUP_PDU ts_GSUP_SAI_ERR(hexstring imsi, integer cause) :=
 	ts_GSUP(OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR, {