diff --git a/autotests/favicontest.cpp b/autotests/favicontest.cpp
--- a/autotests/favicontest.cpp
+++ b/autotests/favicontest.cpp
@@ -36,6 +36,7 @@
 static const char s_iconUrl[] = "http://www.google.com/favicon.ico";
 static const char s_altIconUrl[] = "http://www.ibm.com/favicon.ico";
 static const char s_thirdIconUrl[] = "http://www.google.fr/favicon.ico";
+static const char s_failingIconUrl[] = "https://www.kde.org/kio_test_non_existing_favicon.ico";
 static const char s_iconUrlForThreadTest[] = "http://www.google.de/favicon.ico";
 
 static enum NetworkAccess { Unknown, Yes, No } s_networkAccess = Unknown;
@@ -210,20 +211,20 @@
 
     // Set icon URL to a non-existing favicon
     KIO::FavIconRequestJob *job = new KIO::FavIconRequestJob(url);
-    job->setIconUrl(QUrl("http://www.kde.org/favicon.ico"));
+    job->setIconUrl(QUrl(s_failingIconUrl));
     QVERIFY(willDownload(job));
     QVERIFY(!job->exec());
     QVERIFY(job->iconFile().isEmpty());
     QCOMPARE(job->error(), int(KIO::ERR_DOES_NOT_EXIST));
-    QCOMPARE(job->errorString(), QStringLiteral("The file or folder http://www.kde.org/favicon.ico does not exist."));
+    QCOMPARE(job->errorString(), QString("The file or folder %1 does not exist.").arg(s_failingIconUrl));
 
     // Second job should use the cache and not do anything
     KIO::FavIconRequestJob *secondJob = new KIO::FavIconRequestJob(url);
     QVERIFY(!willDownload(secondJob));
     QVERIFY(!secondJob->exec());
     QVERIFY(secondJob->iconFile().isEmpty());
     QCOMPARE(job->error(), int(KIO::ERR_DOES_NOT_EXIST));
-    QCOMPARE(job->errorString(), QStringLiteral("The file or folder http://www.kde.org/favicon.ico does not exist."));
+    QCOMPARE(job->errorString(), QString("The file or folder %1 does not exist.").arg(s_failingIconUrl));
 }
 
 void FavIconTest::tooBigFaviconShouldAbort()