diff --git a/epan/dissectors/packet-gsm_abis_om2000.c b/epan/dissectors/packet-gsm_abis_om2000.c
index a80771cf11..e41a942d53 100644
--- a/epan/dissectors/packet-gsm_abis_om2000.c
+++ b/epan/dissectors/packet-gsm_abis_om2000.c
@@ -506,6 +506,7 @@ static const value_string om2k_mo_class_short_vals[] = {
 	{ 0x05, "IS" },
 	{ 0x06, "CON" },
 	{ 0x07, "DP" },
+	{ 0x08, "MCTR" },
 	{ 0x0a, "CF" },
 	{ 0x0b, "TX" },
 	{ 0x0c, "RX" },
@@ -520,6 +521,7 @@ static const value_string om2k_mo_class_vals[] = {
 	{ 0x05, "IS (Interface Switch)" },
 	{ 0x06, "CON (Concentrator)" },
 	{ 0x07, "DP (Data Path)" },
+	{ 0x08, "MCTR (Multi Carrier TRansceiver)" },
 	{ 0x0a, "CF (Central Function)" },
 	{ 0x0b, "TX (Transmitter)" },
 	{ 0x0c, "RX (Receiver)" },