diff --git a/include/osmocom/msc/osmo_msc.h b/include/osmocom/msc/osmo_msc.h
index 632b231..995b195 100644
--- a/include/osmocom/msc/osmo_msc.h
+++ b/include/osmocom/msc/osmo_msc.h
@@ -91,7 +91,7 @@
 	MSC_CONN_USE_CM_SERVICE,
 	MSC_CONN_USE_TRANS_CC,
 	MSC_CONN_USE_TRANS_SMS,
-	MSC_CONN_USE_TRANS_USSD,
+	MSC_CONN_USE_TRANS_NC_SS,
 	MSC_CONN_USE_SILENT_CALL,
 	MSC_CONN_USE_RELEASE,
 };