diff --git a/openbsc/src/libmsc/gsm_04_08.c b/openbsc/src/libmsc/gsm_04_08.c
index 0f00db1..68cc906 100644
--- a/openbsc/src/libmsc/gsm_04_08.c
+++ b/openbsc/src/libmsc/gsm_04_08.c
@@ -447,8 +447,7 @@
 	msg->lchan = conn->lchan;
 
 	LOGP(DMM, LOGL_INFO, "Subscriber %s: LOCATION UPDATING REJECT "
-	     "LAC=%u BTS=%u\n", conn->subscr ?
-	     			subscr_name(conn->subscr) : "unknown",
+	     "LAC=%u BTS=%u\n", subscr_name(conn->subscr),
 	     bts->location_area_code, bts->nr);
 
 	return gsm48_conn_sendmsg(msg, conn, NULL);
@@ -1153,9 +1152,7 @@
 		break;
 	case GSM48_MT_MM_TMSI_REALL_COMPL:
 		DEBUGP(DMM, "TMSI Reallocation Completed. Subscriber: %s\n",
-		       conn->subscr ?
-				subscr_name(conn->subscr) :
-				"unknown subscriber");
+		       subscr_name(conn->subscr));
 		release_loc_updating_req(conn, 1);
 		break;
 	case GSM48_MT_MM_IMSI_DETACH_IND: