diff --git a/include/osmocom/gsm/gsm_utils.h b/include/osmocom/gsm/gsm_utils.h
index 095ac41..7d0beca 100644
--- a/include/osmocom/gsm/gsm_utils.h
+++ b/include/osmocom/gsm/gsm_utils.h
@@ -246,6 +246,7 @@
 	OSMO_RAT_UNKNOWN = 0,
 	OSMO_RAT_GERAN_A,
 	OSMO_RAT_UTRAN_IU,
+	OSMO_RAT_EUTRAN_SGS,
 
 	/* keep this last */
 	OSMO_RAT_COUNT