diff --git a/src/network/access/qnetworkaccessftpbackend.cpp b/src/network/access/qnetworkaccessftpbackend.cpp
index 42201aa9a3..4aa491db0c 100644
--- a/src/network/access/qnetworkaccessftpbackend.cpp
+++ b/src/network/access/qnetworkaccessftpbackend.cpp
@@ -223,6 +223,7 @@ void QNetworkAccessFtpBackend::ftpDone()
         if (ftp->state() == QFtp::Connected) {
             // the login did not succeed
             QUrl newUrl = url();
+            QString userInfo = newUrl.userInfo();
             newUrl.setUserInfo(QString());
             setUrl(newUrl);
 
@@ -236,6 +237,10 @@ void QNetworkAccessFtpBackend::ftpDone()
                 return;
             }
 
+            // Re insert the user info so that we can remove the cache entry.
+            newUrl.setUserInfo(userInfo);
+            setUrl(newUrl);
+
             error(QNetworkReply::AuthenticationRequiredError,
                   tr("Logging in to %1 failed: authentication required")
                   .arg(url().host()));
diff --git a/tests/auto/network/access/qnetworkreply/tst_qnetworkreply.cpp b/tests/auto/network/access/qnetworkreply/tst_qnetworkreply.cpp
index 438cf866aa..e93b226b04 100644
--- a/tests/auto/network/access/qnetworkreply/tst_qnetworkreply.cpp
+++ b/tests/auto/network/access/qnetworkreply/tst_qnetworkreply.cpp
@@ -401,6 +401,9 @@ private Q_SLOTS:
     void closeDuringDownload_data();
     void closeDuringDownload();
 
+    void ftpAuthentication_data();
+    void ftpAuthentication();
+
     // NOTE: This test must be last!
     void parentingRepliesToTheApp();
 private:
@@ -6776,6 +6779,35 @@ void tst_QNetworkReply::closeDuringDownload()
     QTest::qWait(1000); //cancelling ftp takes some time, this avoids a warning caused by test's cleanup() destroying the connection cache before the abort is finished
 }
 
+
+void tst_QNetworkReply::ftpAuthentication_data()
+{
+    QTest::addColumn<QString>("referenceName");
+    QTest::addColumn<QString>("url");
+    QTest::addColumn<int>("error");
+
+    QTest::newRow("invalidPassword") << (testDataDir + "/rfc3252.txt") << "ftp://ftptest:invalid@" + QtNetworkSettings::serverName() + "/home/qt-test-server/ftp/qtest/rfc3252.txt" << int(QNetworkReply::AuthenticationRequiredError);
+    QTest::newRow("validPassword") << (testDataDir + "/rfc3252.txt") << "ftp://ftptest:password@" + QtNetworkSettings::serverName() + "/home/qt-test-server/ftp/qtest/rfc3252.txt" << int(QNetworkReply::NoError);
+}
+
+void tst_QNetworkReply::ftpAuthentication()
+{
+    QFETCH(QString, referenceName);
+    QFETCH(QString, url);
+    QFETCH(int, error);
+
+    QFile reference(referenceName);
+    QVERIFY(reference.open(QIODevice::ReadOnly));
+
+    QNetworkRequest request(url);
+    QNetworkReplyPtr reply;
+    runSimpleRequest(QNetworkAccessManager::GetOperation, request, reply);
+
+    QCOMPARE(reply->url(), request.url());
+    QCOMPARE(reply->error(), QNetworkReply::NetworkError(error));
+}
+
+
 // NOTE: This test must be last testcase in tst_qnetworkreply!
 void tst_QNetworkReply::parentingRepliesToTheApp()
 {