diff --git a/openbsc/src/e1_input.c b/openbsc/src/e1_input.c
index 84dde90..9de6b01 100644
--- a/openbsc/src/e1_input.c
+++ b/openbsc/src/e1_input.c
@@ -458,7 +458,7 @@
 		}
 		break;
 	case E1INP_TS_TYPE_TRAU:
-		msg = msgb_alloc(TSX_ALLOC_SIZE);
+		msg = msgb_alloc(TSX_ALLOC_SIZE, "TRAU_TX");
 		if (!msg)
 			return NULL;
 		len = subchan_mux_out(&e1i_ts->trau.mux, msg->data, 40);