diff --git a/src/osmo_dia2gsup.erl b/src/osmo_dia2gsup.erl
index a4edd71..90f5ddc 100644
--- a/src/osmo_dia2gsup.erl
+++ b/src/osmo_dia2gsup.erl
@@ -31,6 +31,7 @@
 -define(SERVICE(Name), [{'Origin-Host', application:get_env(osmo_dia2gsup, origin_host, "hss.localdomain")},
 			{'Origin-Realm', application:get_env(osmo_dia2gsup, origin_realm, "localdomain")},
 			{'Vendor-Id', application:get_env(osmo_dia2gsup, vendor_id, 0)},
+			{'Origin-State-Id', diameter:origin_state_id()},
 			{'Product-Name', "osmo_dia2gsup"},
 			{'Auth-Application-Id', []},
 			{'Vendor-Specific-Application-Id', [?APPID_S6]},