diff --git a/examples/qtconcurrent/imagescaling/imagescaling.cpp b/examples/qtconcurrent/imagescaling/imagescaling.cpp
index 79616a1353..d674ddd085 100644
--- a/examples/qtconcurrent/imagescaling/imagescaling.cpp
+++ b/examples/qtconcurrent/imagescaling/imagescaling.cpp
@@ -8,7 +8,7 @@
 
 #include <functional>
 
-Images::Images(QWidget *parent) : QWidget(parent), downloadDialog(new DownloadDialog())
+Images::Images(QWidget *parent) : QWidget(parent), downloadDialog(new DownloadDialog(this))
 {
     resize(800, 600);
 
@@ -189,6 +189,7 @@ void Images::initLayout(qsizetype count)
     QLayoutItem *child;
     while ((child = imagesLayout->takeAt(0)) != nullptr) {
         child->widget()->setParent(nullptr);
+        delete child->widget();
         delete child;
     }
     labels.clear();