diff --git a/src/corelib/io/qfile.cpp b/src/corelib/io/qfile.cpp
index ec67ca6f48..e136241630 100644
--- a/src/corelib/io/qfile.cpp
+++ b/src/corelib/io/qfile.cpp
@@ -781,9 +781,9 @@ QFile::copy(const QString &newName)
                 }
 #endif
                 if (error) {
+                    d->setError(QFile::CopyError, tr("Cannot open for output: %1").arg(out.errorString()));
                     out.close();
                     close();
-                    d->setError(QFile::CopyError, tr("Cannot open for output: %1").arg(out.errorString()));
                 } else {
                     if (!d->engine()->cloneTo(out.d_func()->engine())) {
                         char block[4096];
diff --git a/src/testlib/qtestcase.cpp b/src/testlib/qtestcase.cpp
index 38108729cc..cc687fe369 100644
--- a/src/testlib/qtestcase.cpp
+++ b/src/testlib/qtestcase.cpp
@@ -2702,12 +2702,17 @@ QSharedPointer<QTemporaryDir> QTest::qExtractTestData(const QString &dirName)
               const QString destination = dataPath + u'/' + QStringView{fileInfo.filePath()}.mid(resourcePath.size());
               QFileInfo destinationFileInfo(destination);
               QDir().mkpath(destinationFileInfo.path());
-              if (!QFile::copy(fileInfo.filePath(), destination)) {
-                  qWarning("Failed to copy '%s'.", qPrintable(fileInfo.filePath()));
+              QFile file(fileInfo.filePath());
+              if (!file.copy(destination)) {
+                  qWarning("Failed to copy '%ls': %ls.", qUtf16Printable(fileInfo.filePath()),
+                           qUtf16Printable(file.errorString()));
                   return result;
               }
-              if (!QFile::setPermissions(destination, QFile::ReadUser | QFile::WriteUser | QFile::ReadGroup)) {
-                  qWarning("Failed to set permissions on '%s'.", qPrintable(destination));
+
+              file.setFileName(destination);
+              if (!file.setPermissions(QFile::ReadUser | QFile::WriteUser | QFile::ReadGroup)) {
+                  qWarning("Failed to set permissions on '%ls': %ls.", qUtf16Printable(destination),
+                           qUtf16Printable(file.errorString()));
                   return result;
               }
           }