diff --git a/src/gsm/abis_nm.c b/src/gsm/abis_nm.c
index 2c23a64..7a1f664 100644
--- a/src/gsm/abis_nm.c
+++ b/src/gsm/abis_nm.c
@@ -323,6 +323,13 @@
 	},
 };
 
+/*! \brief org.osmocom GSM A-bis OML TLV parser definition */
+const struct tlv_definition abis_nm_osmo_att_tlvdef = {
+	.def = {
+		[NM_ATT_OSMO_REDUCEPOWER] =	{ TLV_TYPE_TV },
+	},
+};
+
 /*! \brief Human-readable strings for A-bis OML Object Class */
 const struct value_string abis_nm_obj_class_names[] = {
 	{ NM_OC_SITE_MANAGER,	"SITE-MANAGER" },
diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 3c5025d..cab4fc4 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -10,6 +10,7 @@
 abis_nm_nack_cause_name;
 abis_nm_nack_name;
 abis_nm_att_tlvdef;
+abis_nm_osmo_att_tlvdef;
 abis_nm_obj_class_names;
 abis_nm_opstate_name;
 abis_nm_nacks;