diff --git a/tests/benchmarks/corelib/text/qstringlist/tst_bench_qstringlist.cpp b/tests/benchmarks/corelib/text/qstringlist/tst_bench_qstringlist.cpp
index fae879ce373..dc3699aad68 100644
--- a/tests/benchmarks/corelib/text/qstringlist/tst_bench_qstringlist.cpp
+++ b/tests/benchmarks/corelib/text/qstringlist/tst_bench_qstringlist.cpp
@@ -49,7 +49,12 @@ private:
 
 QStringList tst_QStringList::populateList(const int count, const QString &unit)
 {
-    return QStringList(count, unit);
+    QStringList retval;
+    retval.reserve(count);
+    for (int i = 0; i < count; ++i)
+        retval.append(unit + QString::number(i));
+
+    return retval;
 }
 
 QString tst_QStringList::populateString(const int count, const QString &unit)
@@ -79,20 +84,20 @@ void tst_QStringList::join_data() const
     QTest::addColumn<QStringList>("input");
     QTest::addColumn<QString>("separator");
 
-    QTest::newRow("")
+    QTest::newRow("100")
         << populateList(100, QLatin1String("unit"))
         << QString();
 
-    QTest::newRow("")
+    QTest::newRow("1000")
         << populateList(1000, QLatin1String("unit"))
         << QString();
 
-    QTest::newRow("")
-        << populateList(10000, QLatin1String("unit"))
+    QTest::newRow("10000")
+        << populateList(10'000, QLatin1String("unit"))
         << QString();
 
-    QTest::newRow("")
-        << populateList(100000, QLatin1String("unit"))
+    QTest::newRow("100000")
+        << populateList(100'000, QLatin1String("unit"))
         << QString();
 }