diff --git a/include/osmocom/gsm/gsm_utils.h b/include/osmocom/gsm/gsm_utils.h
index 095ac41a4..7d0beca60 100644
--- a/include/osmocom/gsm/gsm_utils.h
+++ b/include/osmocom/gsm/gsm_utils.h
@@ -246,6 +246,7 @@ enum osmo_rat_type {
 	OSMO_RAT_UNKNOWN = 0,
 	OSMO_RAT_GERAN_A,
 	OSMO_RAT_UTRAN_IU,
+	OSMO_RAT_EUTRAN_SGS,
 
 	/* keep this last */
 	OSMO_RAT_COUNT
diff --git a/src/gsm/gsm_utils.c b/src/gsm/gsm_utils.c
index 38620470b..9eb41fb5c 100644
--- a/src/gsm/gsm_utils.c
+++ b/src/gsm/gsm_utils.c
@@ -1003,5 +1003,6 @@ const struct value_string osmo_rat_type_names[] = {
 	{ OSMO_RAT_UNKNOWN, "unknown" },
 	{ OSMO_RAT_GERAN_A, "GERAN-A" },
 	{ OSMO_RAT_UTRAN_IU, "UTRAN-Iu" },
+	{ OSMO_RAT_EUTRAN_SGS, "EUTRAN-SGs" },
 	{}
 };