diff --git a/autotests/postprocessordata/train-unsorted.post.json b/autotests/postprocessordata/train-unsorted.post.json
index 3293008..1a4ee86 100644
--- a/autotests/postprocessordata/train-unsorted.post.json
+++ b/autotests/postprocessordata/train-unsorted.post.json
@@ -1,82 +1,90 @@
 [
     {
         "@context": "http://schema.org",
         "@type": "TrainReservation",
         "reservationFor": {
             "@type": "TrainTrip",
             "arrivalStation": {
                 "@type": "TrainStation",
                 "geo": {
                     "@type": "GeoCoordinates",
                     "latitude": 43.83229064941406,
                     "longitude": 4.365845203399658
                 },
                 "name": "Nîmes Gare"
             },
             "arrivalTime": "2017-09-24T20:33:00+02:00",
             "departureStation": {
                 "@type": "TrainStation",
                 "geo": {
                     "@type": "GeoCoordinates",
                     "latitude": 45.76055908203125,
                     "longitude": 4.8593549728393555
                 },
                 "name": "Lyon Part-Dieu"
             },
             "departureTime": "2017-09-24T19:09:00+02:00",
+            "provider": {
+                 "@type": "Organization",
+                 "name": "SNCF"
+             },
             "trainName": "TGV",
             "trainNumber": "5119"
         },
         "reservationNumber": "XXX007",
         "reservedTicket": {
             "@type": "Ticket",
             "ticketToken": "aztecCode:somerandomdata            DOE             JOHN111110             00000",
             "ticketedSeat": {
                 "@type": "Seat",
                 "seatNumber": "71",
                 "seatSection": "13"
             }
         },
         "url": "https://www.trainline.fr/tickets"
     },
     {
         "@context": "http://schema.org",
         "@type": "TrainReservation",
         "reservationFor": {
             "@type": "TrainTrip",
             "arrivalStation": {
                 "@type": "TrainStation",
                 "geo": {
                     "@type": "GeoCoordinates",
                     "latitude": 45.76055908203125,
                     "longitude": 4.8593549728393555
                 },
                 "name": "Lyon Part-Dieu"
             },
             "arrivalTime": "2017-09-29T19:52:00+02:00",
             "departureStation": {
                 "@type": "TrainStation",
                 "geo": {
                     "@type": "GeoCoordinates",
                     "latitude": 43.83229064941406,
                     "longitude": 4.365845203399658
                 },
                     "name": "Nîmes Gare"
             },
             "departureTime": "2017-09-29T18:26:00+02:00",
+            "provider": {
+                 "@type": "Organization",
+                 "name": "SNCF"
+             },
             "trainName": "TGV",
             "trainNumber": "5186"
         },
         "reservationNumber": "XXX007",
         "reservedTicket": {
             "@type": "Ticket",
             "ticketToken": "aztecCode:somerandomdata            DOE             JOHN111110          00000",
             "ticketedSeat": {
                 "@type": "Seat",
                 "seatNumber": "62",
                 "seatSection": "17"
             }
         },
         "url": "https://www.trainline.fr/tickets"
     }
 ]
diff --git a/src/jsonldimportfilter.cpp b/src/jsonldimportfilter.cpp
index 701999e..004105a 100644
--- a/src/jsonldimportfilter.cpp
+++ b/src/jsonldimportfilter.cpp
@@ -1,48 +1,70 @@
 /*
     Copyright (C) 2018 Volker Krause <vkrause@kde.org>
 
     This program is free software; you can redistribute it and/or modify it
     under the terms of the GNU Library General Public License as published by
     the Free Software Foundation; either version 2 of the License, or (at your
     option) any later version.
 
     This program is distributed in the hope that it will be useful, but WITHOUT
     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
     License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "jsonldimportfilter.h"
 
 #include <QJsonObject>
 
 using namespace KItinerary;
 
-static QJsonObject filterReservation(QJsonObject res)
+static void filterTrainTrip(QJsonObject &trip)
+{
+    if (trip.value(QLatin1String("@type")).toString() != QLatin1String("TrainTrip")) {
+        return;
+    }
+
+    // move TrainTrip::trainCompany to TrainTrip::provider (as defined by schema.org)
+    const auto company = trip.value(QLatin1String("trainCompany")).toObject();
+    if (!company.isEmpty() && !trip.contains(QLatin1String("provider"))) {
+        trip.insert(QLatin1String("provider"), company);
+    }
+}
+
+static void filterReservation(QJsonObject &res)
 {
     // move ticketToken to Ticket (Google vs. schema.org difference)
     const auto token = res.value(QLatin1String("ticketToken")).toString();
     if (!token.isEmpty()) {
         auto ticket = res.value(QLatin1String("reservedTicket")).toObject();
         if (ticket.isEmpty()) {
             ticket.insert(QLatin1String("@type"), QLatin1String("Ticket"));
         }
         if (!ticket.contains(QLatin1String("ticketToken"))) {
             ticket.insert(QLatin1String("ticketToken"), token);
             res.insert(QLatin1String("reservedTicket"), ticket);
         }
     }
-
-    return res;
 }
 
 QJsonObject JsonLdImportFilter::filterObject(const QJsonObject& obj)
 {
-    if (obj.value(QLatin1String("@type")).toString().endsWith(QLatin1String("Reservation"))) {
-        return filterReservation(obj);
+    QJsonObject res(obj);
+    const auto type = obj.value(QLatin1String("@type")).toString();
+    if (type.endsWith(QLatin1String("Reservation"))) {
+        filterReservation(res);
+    }
+
+    if (type == QLatin1String("TrainReservation")) {
+        auto train = obj.value(QLatin1String("reservationFor")).toObject();
+        filterTrainTrip(train);
+        if (!train.isEmpty()) {
+            res.insert(QLatin1String("reservationFor"), train);
+        }
     }
-    return obj;
+
+    return res;
 }