diff --git a/tests/auto/widgets/dialogs/qfilesystemmodel/qfilesystemmodel.pro b/tests/auto/widgets/dialogs/qfilesystemmodel/qfilesystemmodel.pro
index 166306757c2..076025e3253 100644
--- a/tests/auto/widgets/dialogs/qfilesystemmodel/qfilesystemmodel.pro
+++ b/tests/auto/widgets/dialogs/qfilesystemmodel/qfilesystemmodel.pro
@@ -1,4 +1,5 @@
 CONFIG += testcase
+CONFIG += parallel_test
 
 QT += widgets widgets-private
 QT += core-private gui testlib
diff --git a/tests/auto/widgets/dialogs/qfilesystemmodel/tst_qfilesystemmodel.cpp b/tests/auto/widgets/dialogs/qfilesystemmodel/tst_qfilesystemmodel.cpp
index 47c40032c30..af213a55088 100644
--- a/tests/auto/widgets/dialogs/qfilesystemmodel/tst_qfilesystemmodel.cpp
+++ b/tests/auto/widgets/dialogs/qfilesystemmodel/tst_qfilesystemmodel.cpp
@@ -889,7 +889,7 @@ void tst_QFileSystemModel::sort()
 
 void tst_QFileSystemModel::mkdir()
 {
-    QString tmp = QDir::tempPath();
+    QString tmp = flatDirTestPath;
     QString newFolderPath = QDir::toNativeSeparators(tmp + '/' + "NewFoldermkdirtest4");
     QModelIndex tmpDir = model->index(tmp);
     QVERIFY(tmpDir.isValid());