diff --git a/src/corelib/io/qurl.cpp b/src/corelib/io/qurl.cpp
index db70fa86be..1a266702eb 100644
--- a/src/corelib/io/qurl.cpp
+++ b/src/corelib/io/qurl.cpp
@@ -836,7 +836,8 @@ recodeFromUser(const QString &input, const ushort *actions, int from, int to)
 static inline void appendToUser(QString &appendTo, QStringView value, QUrl::FormattingOptions options,
                                 const ushort *actions)
 {
-    if (options == QUrl::PrettyDecoded) {
+    // Test ComponentFormattingOptions, ignore FormattingOptions.
+    if ((options & 0xFFFF0000) == QUrl::PrettyDecoded) {
         appendTo += value;
         return;
     }
@@ -3276,9 +3277,10 @@ QString QUrl::toString(FormattingOptions options) const
         // also catches isEmpty()
         return url;
     }
-    if (options == QUrl::FullyDecoded) {
+    if ((options & QUrl::FullyDecoded) == QUrl::FullyDecoded) {
         qWarning("QUrl: QUrl::FullyDecoded is not permitted when reconstructing the full URL");
-        options = QUrl::PrettyDecoded;
+        options &= ~QUrl::FullyDecoded;
+        //options |= QUrl::PrettyDecoded; // no-op, value is 0
     }
 
     // return just the path if:
@@ -3291,7 +3293,7 @@ QString QUrl::toString(FormattingOptions options) const
             && (!d->hasQuery() || options.testFlag(QUrl::RemoveQuery))
             && (!d->hasFragment() || options.testFlag(QUrl::RemoveFragment))
             && isLocalFile()) {
-        url = d->toLocalFile(options);
+        url = d->toLocalFile(options | QUrl::FullyDecoded);
         return url;
     }
 
diff --git a/src/corelib/io/qurlrecode.cpp b/src/corelib/io/qurlrecode.cpp
index 115ad7f42c..ad23588978 100644
--- a/src/corelib/io/qurlrecode.cpp
+++ b/src/corelib/io/qurlrecode.cpp
@@ -676,7 +676,7 @@ qt_urlRecode(QString &appendTo, QStringView in,
              QUrl::ComponentFormattingOptions encoding, const ushort *tableModifications)
 {
     uchar actionTable[sizeof defaultActionTable];
-    if (encoding == QUrl::FullyDecoded) {
+    if ((encoding & QUrl::FullyDecoded) == QUrl::FullyDecoded) {
         return int(decode(appendTo, in));
     }
 
diff --git a/tests/auto/corelib/io/qurl/tst_qurl.cpp b/tests/auto/corelib/io/qurl/tst_qurl.cpp
index 26b740ae20..bcf6c51f73 100644
--- a/tests/auto/corelib/io/qurl/tst_qurl.cpp
+++ b/tests/auto/corelib/io/qurl/tst_qurl.cpp
@@ -67,6 +67,8 @@ private slots:
     void toString_PreferLocalFile();
     void toString_constructed_data();
     void toString_constructed();
+    void toDisplayString_PreferLocalFile_data();
+    void toDisplayString_PreferLocalFile();
     void toAndFromStringList_data();
     void toAndFromStringList();
     void isParentOf_data();
@@ -1207,6 +1209,32 @@ void tst_QUrl::toString_constructed()
     QCOMPARE(url.toEncoded(formattingOptions), asEncoded);
 }
 
+void tst_QUrl::toDisplayString_PreferLocalFile_data()
+{
+    QTest::addColumn<QUrl>("url");
+    QTest::addColumn<QString>("string");
+
+    QTest::newRow("basic") << QUrl::fromLocalFile("/home/charles/foomoo")
+                           << QString::fromLatin1("/home/charles/foomoo");
+    QTest::newRow("with%") << QUrl::fromLocalFile("/home/charles/foo%20moo")
+                           << QString::fromLatin1("/home/charles/foo%20moo");
+    QTest::newRow("non-local") << QUrl("file://host/foo")
+                               << QString::fromLatin1("//host/foo");
+    QTest::newRow("query-and-fragment") << QUrl("file://user:pass@example.org/a?b=c%20d%23e#frag%23ment")
+                                        << QString::fromLatin1("file://user@example.org/a?b=c d%23e#frag%23ment");
+    QTest::newRow("http")  << QUrl("http://user:pass@example.org/a?b=c%20d%23e#frag%23ment")
+                           << QString::fromLatin1("http://user@example.org/a?b=c d%23e#frag%23ment");
+}
+
+void tst_QUrl::toDisplayString_PreferLocalFile()
+{
+    QFETCH(QUrl, url);
+    QFETCH(QString, string);
+
+    if (url.isLocalFile() && url.query().isEmpty() && url.fragment().isEmpty())
+        QCOMPARE(url.toLocalFile(), string);
+    QCOMPARE(url.toDisplayString(QUrl::PreferLocalFile), string);
+}
 
 void tst_QUrl::isParentOf()
 {