diff --git a/0001-Warning-for-FlatHub.patch b/0001-Warning-for-FlatHub.patch
new file mode 100644
index 0000000..d277510
--- /dev/null
+++ b/0001-Warning-for-FlatHub.patch
@@ -0,0 +1,44 @@
+From 74a4eff529e6b71f6a822841d9112d9b71b44d24 Mon Sep 17 00:00:00 2001
+From: Fabian Vogt <fabian@ritter-vogt.de>
+Date: Sat, 13 Jan 2018 15:16:39 +0100
+Subject: [PATCH] Warning for FlatHub
+
+---
+ .../backends/FlatpakBackend/FlatpakSourcesBackend.cpp      | 14 +++++++++++++-
+ 1 file changed, 13 insertions(+), 1 deletion(-)
+
+diff --git a/libdiscover/backends/FlatpakBackend/FlatpakSourcesBackend.cpp b/libdiscover/backends/FlatpakBackend/FlatpakSourcesBackend.cpp
+index e96dd5bc..77646179 100644
+--- a/libdiscover/backends/FlatpakBackend/FlatpakSourcesBackend.cpp
++++ b/libdiscover/backends/FlatpakBackend/FlatpakSourcesBackend.cpp
+@@ -24,6 +24,8 @@
+ #include "FlatpakBackend.h"
+ #include <KLocalizedString>
+ #include <QDebug>
++#include <QAbstractButton>
++#include <QMessageBox>
+ #include <QNetworkAccessManager>
+ #include <QNetworkReply>
+ #include <QAction>
+@@ -57,7 +59,17 @@ FlatpakSourcesBackend::FlatpakSourcesBackend(const QVector<FlatpakInstallation *
+ 
+     m_flathubAction->setToolTip(QStringLiteral("flathub"));
+     connect(m_flathubAction, &QAction::triggered, this, [this](){
+-        addSource(QStringLiteral("https://flathub.org/repo/flathub.flatpakrepo"));
++        auto *warnBox = new QMessageBox(QMessageBox::Information, i18n("Adding a third-party source"),
++                            i18n("FlatHub is not part of the openSUSE distribution.\n"
++                                 "It contains packages of unknown quality which might not be tested to work correctly "
++                                 "on openSUSE. Prefer to install software from the official openSUSE repository."),
++                            QMessageBox::Ok | QMessageBox::Abort);
++        connect(warnBox, &QMessageBox::buttonClicked, this, [this, warnBox](QAbstractButton *button) {
++            if (warnBox->standardButton(button) == QMessageBox::Ok)
++                addSource(QStringLiteral("https://flathub.org/repo/flathub.flatpakrepo"));
++        });
++        warnBox->setAttribute(Qt::WA_DeleteOnClose);
++        warnBox->show();
+     });
+     for (auto installation : installations) {
+         if (!listRepositories(installation)) {
+-- 
+2.16.2
+
diff --git a/discover.changes b/discover.changes
index ab6fa8e..c9b1860 100644
--- a/discover.changes
+++ b/discover.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Mar 23 20:42:00 UTC 2018 - fabian@ritter-vogt.de
+
+- Add patch to show an informative warning when adding FlatHub:
+  * 0001-Warning-for-FlatHub.patch
+
 -------------------------------------------------------------------
 Tue Mar  6 16:07:11 CET 2018 - fabian@ritter-vogt.de
 
diff --git a/discover.spec b/discover.spec
index 0070277..4dc6ec2 100644
--- a/discover.spec
+++ b/discover.spec
@@ -25,6 +25,8 @@ License:        GPL-2.0 and GPL-3.0 and GPL-3.0+
 Group:          System/GUI/KDE
 Url:            https://quickgit.kde.org/?p=discover.git
 Source:         http://download.kde.org/stable/plasma/%{version}/discover-%{version}.tar.xz
+# PATCH-FIX-OPENSUSE
+Patch1:         0001-Warning-for-FlatHub.patch
 %if 0%{?suse_version} < 1330
 # It does not build with the default compiler (GCC 4.8) on Leap 42.x
 %if 0%{?sle_version} < 120300
@@ -96,6 +98,7 @@ This is the systray plasmoid to notify the user that updates are available
 
 %prep
 %setup -q
+%autopatch -p1
 
 %build
   %if 0%{?suse_version} < 1330