diff --git a/src/backends/deutschebahnbackend.cpp b/src/backends/deutschebahnbackend.cpp
index 851f6f1..5e06a9d 100644
--- a/src/backends/deutschebahnbackend.cpp
+++ b/src/backends/deutschebahnbackend.cpp
@@ -1,89 +1,95 @@
 /*
     Copyright (C) 2019 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 <https://www.gnu.org/licenses/>.
 */
 
 #include "deutschebahnbackend.h"
 #include "deutschebahnvehiclelayoutparser.h"
 
 #include <KPublicTransport/Departure>
 #include <KPublicTransport/VehicleLayoutReply>
 #include <KPublicTransport/VehicleLayoutRequest>
 
 #include <QDebug>
 #include <QNetworkAccessManager>
 #include <QNetworkRequest>
 #include <QNetworkReply>
 #include <QRegularExpression>
 #include <QUrl>
 
 using namespace KPublicTransport;
 
 AbstractBackend::Capabilities DeutscheBahnBackend::capabilities() const
 {
     return Secure; // hardcoded API endpoint below
 }
 
 static QString extractTrainNumber(const Line &line)
 {
     qDebug() << line.modeString() << line.name();
     QRegularExpression regex(QStringLiteral("(?:ICE|IC|EC)\\s*(\\d+)"));
     const auto match = regex.match(line.modeString() + line.name());
     if (match.hasMatch()) {
         return match.captured(1);
     }
     return {};
 }
 
 bool DeutscheBahnBackend::queryVehicleLayout(const VehicleLayoutRequest &request, VehicleLayoutReply *reply, QNetworkAccessManager *nam) const
 {
     // we need two parameters for the online API: the train number (numeric only), and the departure time
     // note: data is only available withing the upcoming 24h
     // checking this early is useful as the error response from the online service is extremely verbose...
-    const auto dt = request.departure().scheduledDepartureTime();
+    auto dt = request.departure().scheduledDepartureTime();
     const auto trainNum = extractTrainNumber(request.departure().route().line());
-    qDebug() << dt << trainNum;
-    if (!dt.isValid() || trainNum.isEmpty()) { // TODO check dt in valid range
+    if (!dt.isValid() || trainNum.isEmpty()) {
         return false;
     }
 
+    // there are only valid results for a 24h time window, so try to adjust the date accordingly
+    const auto now = QDateTime::currentDateTime();
+    if (dt.daysTo(now) > 1 || dt.daysTo(now) < -1) {
+        qDebug() << "adjusting departure time to today:" << dt;
+        dt.setDate(QDate::currentDate());
+    }
+
     QUrl url;
     url.setScheme(QStringLiteral("https"));
     url.setHost(QStringLiteral("www.apps-bahn.de"));
     url.setPath(QLatin1String("/wr/wagenreihung/1.0/") + trainNum + QLatin1Char('/') + dt.toString(QStringLiteral("yyyyMMddhhmm")));
 
     QNetworkRequest netReq(url);
     logRequest(request, netReq);
     auto netReply = nam->get(netReq);
 
     QObject::connect(netReply, &QNetworkReply::finished, reply, [this, reply, netReply] {
         const auto data = netReply->readAll();
         logReply(reply, netReply, data);
 
         if (netReply->error() == QNetworkReply::NoError) {
             DeutscheBahnVehicleLayoutParser p;
             if (p.parse(data)) {
                 addResult(reply, p.vehicle, p.platform, p.departure);
             } else {
                 addError(reply, this, p.error, p.errorMessage);
             }
         } else {
             addError(reply, this, Reply::NetworkError, reply->errorString());
         }
         netReply->deleteLater();
     });
 
     return true;
 }