diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/sgitemnodeinstance.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/sgitemnodeinstance.cpp
index 3b3e7e3e549..acd46e7c164 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/sgitemnodeinstance.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/sgitemnodeinstance.cpp
@@ -271,7 +271,24 @@ bool SGItemNodeInstance::isSGItem() const
 
 QSizeF SGItemNodeInstance::size() const
 {
-    return QSizeF(sgItem()->width(), sgItem()->height());
+    double width;
+
+    if (QSGItemPrivate::get(sgItem())->widthValid) {
+        width = sgItem()->width();
+    } else {
+        width = sgItem()->implicitWidth();
+    }
+
+    double height;
+
+    if (QSGItemPrivate::get(sgItem())->heightValid) {
+        height = sgItem()->height();
+    } else {
+        height = sgItem()->implicitHeight();
+    }
+
+
+    return QSizeF(width, height);
 }
 
 QRectF SGItemNodeInstance::boundingRectWithStepChilds(QSGItem *parentItem) const
diff --git a/share/qtcreator/qml/qmlpuppet/qmlpuppet/instances/qmlgraphicsitemnodeinstance.cpp b/share/qtcreator/qml/qmlpuppet/qmlpuppet/instances/qmlgraphicsitemnodeinstance.cpp
index 0092e7beab3..acb4ad488e1 100644
--- a/share/qtcreator/qml/qmlpuppet/qmlpuppet/instances/qmlgraphicsitemnodeinstance.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qmlpuppet/instances/qmlgraphicsitemnodeinstance.cpp
@@ -104,7 +104,24 @@ bool QmlGraphicsItemNodeInstance::isQmlGraphicsItem() const
 
 QSizeF QmlGraphicsItemNodeInstance::size() const
 {
-    return QSizeF(qmlGraphicsItem()->width(), qmlGraphicsItem()->height());
+    double width;
+
+    if (QDeclarativeItemPrivate::get(qmlGraphicsItem())->widthValid) {
+        width = qmlGraphicsItem()->width();
+    } else {
+        width = qmlGraphicsItem()->implicitWidth();
+    }
+
+    double height;
+
+    if (QDeclarativeItemPrivate::get(qmlGraphicsItem())->heightValid) {
+        height = qmlGraphicsItem()->height();
+    } else {
+        height = qmlGraphicsItem()->implicitHeight();
+    }
+
+
+    return QSizeF(width, height);
 }
 
 void QmlGraphicsItemNodeInstance::setPropertyVariant(const QString &name, const QVariant &value)