diff --git a/mme/MME_Tests.ttcn b/mme/MME_Tests.ttcn
index 3c35359..14965e6 100644
--- a/mme/MME_Tests.ttcn
+++ b/mme/MME_Tests.ttcn
@@ -223,6 +223,7 @@
 		local_sctp_port := mp_s6_local_port,
 		origin_host := "hss.localdomain",
 		origin_realm := "localdomain",
+		auth_app_id := omit,
 		vendor_app_id := c_DIAMETER_3GPP_S6_AID
 	};
 	vc_DIAMETER := DIAMETER_Emulation_CT.create(id);