diff --git a/tests/auto/widgets/kernel/qstackedlayout/tst_qstackedlayout.cpp b/tests/auto/widgets/kernel/qstackedlayout/tst_qstackedlayout.cpp
index 835b6ca799..5be4846b3e 100644
--- a/tests/auto/widgets/kernel/qstackedlayout/tst_qstackedlayout.cpp
+++ b/tests/auto/widgets/kernel/qstackedlayout/tst_qstackedlayout.cpp
@@ -377,7 +377,7 @@ void tst_QStackedLayout::replaceWidget()
 
     QCOMPARE(stackLayout->indexOf(replaceFrom), 1);
     QCOMPARE(stackLayout->indexOf(replaceTo), -1);
-    stackLayout->replaceWidget(replaceFrom, replaceTo);
+    delete stackLayout->replaceWidget(replaceFrom, replaceTo);
 
     QCOMPARE(stackLayout->indexOf(replaceFrom), -1);
     QCOMPARE(stackLayout->indexOf(replaceTo), 1);