diff --git a/library/S1AP_Emulation.ttcn b/library/S1AP_Emulation.ttcn
index 9b159d4..38c738b 100644
--- a/library/S1AP_Emulation.ttcn
+++ b/library/S1AP_Emulation.ttcn
@@ -274,6 +274,7 @@
 		S1apAssociationTable[i].cgi := omit;
 		S1apAssociationTable[i].tai := omit;
 		S1apAssociationTable[i].nus := valueof(t_NAS_UE_State(g_pars.role));
+		S1apAssociationTable[i].comp_ref := null;
 	}
 }