diff --git a/src/corelib/mimetypes/qmimedatabase.cpp b/src/corelib/mimetypes/qmimedatabase.cpp
index d52ccacbe7b..caaa12ed06a 100644
--- a/src/corelib/mimetypes/qmimedatabase.cpp
+++ b/src/corelib/mimetypes/qmimedatabase.cpp
@@ -71,7 +71,11 @@ bool QMimeDatabasePrivate::shouldCheck()
 
 static QStringList locateMimeDirectories()
 {
-    return QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, QStringLiteral("mime"), QStandardPaths::LocateDirectory);
+    QStringList dirs =
+            QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, QStringLiteral("mime"),
+                                      QStandardPaths::LocateDirectory);
+    dirs.append(u":/qt-project.org/qmime"_s);
+    return dirs;
 }
 
 #if defined(Q_OS_UNIX) && !defined(Q_OS_INTEGRITY)
diff --git a/tests/auto/corelib/mimetypes/qmimedatabase/qmimedatabase-xml-fdoxml/CMakeLists.txt b/tests/auto/corelib/mimetypes/qmimedatabase/qmimedatabase-xml-fdoxml/CMakeLists.txt
index d178ff7b345..eb110177b81 100644
--- a/tests/auto/corelib/mimetypes/qmimedatabase/qmimedatabase-xml-fdoxml/CMakeLists.txt
+++ b/tests/auto/corelib/mimetypes/qmimedatabase/qmimedatabase-xml-fdoxml/CMakeLists.txt
@@ -57,7 +57,7 @@ qt_internal_add_resource(tst_qmimedatabase-xml-fdoxml "testdata"
 
 qt_internal_add_resource(tst_qmimedatabase-xml-fdoxml "testdata-fdoxml"
     PREFIX
-        "/tst_qmimedatabase/qmime"
+        "/qt-project.org/qmime/packages"
     BASE
         "../3rdparty"
     FILES
diff --git a/tests/auto/corelib/mimetypes/qmimedatabase/tst_qmimedatabase.cpp b/tests/auto/corelib/mimetypes/qmimedatabase/tst_qmimedatabase.cpp
index d8c89b56c4e..77574ae6ea0 100644
--- a/tests/auto/corelib/mimetypes/qmimedatabase/tst_qmimedatabase.cpp
+++ b/tests/auto/corelib/mimetypes/qmimedatabase/tst_qmimedatabase.cpp
@@ -139,7 +139,6 @@ void tst_QMimeDatabase::initTestCase()
     // Create a temporary "global" XDG data dir. It's used
     // 1) to install new global mimetypes later on
     // 2) to run update-mime-database right away when testing the cache provider
-    // 3) to host a copy of freedesktop.org.xml in tst_qmimedatabase-xml-fdoxml
     QVERIFY2(m_temporaryDir.isValid(),
              ("Could not create temporary subdir: " + m_temporaryDir.errorString()).toUtf8());
     const QDir here = QDir(m_temporaryDir.path());
@@ -150,7 +149,7 @@ void tst_QMimeDatabase::initTestCase()
     qputenv("XDG_DATA_DIRS", QFile::encodeName(m_globalXdgDir));
     qDebug() << "\nGlobal XDG_DATA_DIRS: " << m_globalXdgDir;
 
-    if (m_isUsingCacheProvider || m_hasFreedesktopOrg) {
+    if (m_isUsingCacheProvider) {
         const QString xmlFileName = m_hasFreedesktopOrg
                 ? (s_additionalFilesResourcePrefix + "/freedesktop.org.xml"_L1)
                 : (s_resourcePrefix + "/tika/packages/tika-mimetypes.xml"_L1);