diff --git a/Linphone/model/object/VariantObject.cpp b/Linphone/model/object/VariantObject.cpp
index b0b7fc5ab..51b8c9690 100644
--- a/Linphone/model/object/VariantObject.cpp
+++ b/Linphone/model/object/VariantObject.cpp
@@ -26,24 +26,29 @@
 #include "core/App.hpp"
 
 DEFINE_ABSTRACT_OBJECT(VariantObject)
-VariantObject::VariantObject(QObject *parent) : VariantObject(QVariant()) {
+VariantObject::VariantObject(QString name, QObject *parent) : VariantObject(name, QVariant()) {
 }
-VariantObject::VariantObject(QVariant defaultValue, QObject *parent) {
-	mCoreObject = QSharedPointer<SafeObject>::create(defaultValue);
-	mModelObject = QSharedPointer<SafeObject>::create();
+VariantObject::VariantObject(QString name, QVariant defaultValue, QObject *parent) {
+	mName = name;
+	mCoreObject = QSharedPointer<SafeObject>(new SafeObject(defaultValue), &QObject::deleteLater);
+	mModelObject = QSharedPointer<SafeObject>(new SafeObject(), &QObject::deleteLater);
 	mModelObject->moveToThread(CoreModel::getInstance()->thread());
 
+	App::getInstance()->mEngine->setObjectOwnership(mCoreObject.get(), QQmlEngine::CppOwnership);
+	App::getInstance()->mEngine->setObjectOwnership(mModelObject.get(), QQmlEngine::CppOwnership);
+
 	mConnection = QSharedPointer<SafeConnection<SafeObject, SafeObject>>(
 	    new SafeConnection<SafeObject, SafeObject>(mCoreObject, mModelObject), &QObject::deleteLater);
 
-	mConnection->makeConnectToCore(&SafeObject::setValue, [this](QVariant value) {
-		mConnection->invokeToModel([this, value]() {
+	mConnection->makeConnectToCore(&SafeObject::setValue, [this, d = mName](QVariant value) {
+		mConnection->invokeToModel([this, value, d]() {
 			if (mModelObject) mModelObject->onSetValue(value);
 		});
 	});
-	mConnection->makeConnectToModel(&SafeObject::setValue, [this](QVariant value) {
-		mConnection->invokeToCore([this, value]() {
-			if (mCoreObject) mCoreObject->onSetValue(value);
+	mConnection->makeConnectToModel(&SafeObject::setValue, [this, d = mName, coreObject = mCoreObject](QVariant value) {
+		// Note: do not use member because 'this' is managed by GUI and can be deleted.
+		mConnection->invokeToCore([this, d, coreObject, value]() {
+			if (coreObject) coreObject->onSetValue(value);
 		});
 	});
 	mConnection->makeConnectToModel(&SafeObject::valueChanged, [this](QVariant value) {
diff --git a/Linphone/model/object/VariantObject.hpp b/Linphone/model/object/VariantObject.hpp
index 863262fc0..d35719d72 100644
--- a/Linphone/model/object/VariantObject.hpp
+++ b/Linphone/model/object/VariantObject.hpp
@@ -36,8 +36,8 @@ class VariantObject : public QObject, public AbstractObject {
 	Q_OBJECT
 	Q_PROPERTY(QVariant value READ getValue NOTIFY valueChanged)
 public:
-	VariantObject(QObject *parent = nullptr);
-	VariantObject(QVariant defaultValue, QObject *parent = nullptr);
+	VariantObject(QString name, QObject *parent = nullptr);
+	VariantObject(QString name, QVariant defaultValue, QObject *parent = nullptr);
 	~VariantObject();
 
 	template <typename Func, typename... Args>
@@ -51,7 +51,7 @@ public:
 		mConnection->makeConnectToModel(
 		    sender, signal, [this]() { mConnection->invokeToCore([this]() { mCoreObject->requestValue(); }); });
 	}
-
+	QString mName; // usefull to know what is this VariantObject
 	QVariant getValue() const;
 	void requestValue();
 	void setDefaultValue(QVariant value);
diff --git a/Linphone/tool/Utils.cpp b/Linphone/tool/Utils.cpp
index b4ea9662d..2ebe9beb8 100644
--- a/Linphone/tool/Utils.cpp
+++ b/Linphone/tool/Utils.cpp
@@ -63,7 +63,8 @@ VariantObject *Utils::getDisplayName(const QString &address) {
 	QStringList splitted = address.split(":");
 	if (splitted.size() > 0 && splitted[0] == "sip") splitted.removeFirst();
 	VariantObject *data = nullptr;
-	if (splitted.size() != 0) data = new VariantObject(splitted.first().split("@").first()); // Scope : GUI
+	if (splitted.size() != 0)
+		data = new VariantObject("getDisplayName", splitted.first().split("@").first()); // Scope : GUI
 	if (!data) return nullptr;
 	data->makeRequest([address]() {
 		QString displayName = ToolModel::getDisplayName(address);
@@ -115,7 +116,7 @@ QString Utils::getInitials(const QString &username) {
 }
 
 VariantObject *Utils::findLocalAccountByAddress(const QString &address) {
-	VariantObject *data = new VariantObject();
+	VariantObject *data = new VariantObject("findLocalAccountByAddress");
 	if (!data) return nullptr;
 	data->makeRequest([address]() {
 		auto linAccount = ToolModel::findAccount(address);
@@ -191,7 +192,7 @@ void Utils::showInformationPopup(const QString &title,
 }
 
 VariantObject *Utils::haveAccount() {
-	VariantObject *result = new VariantObject();
+	VariantObject *result = new VariantObject("haveAccount");
 	if (!result) return nullptr;
 	// Using connect ensure to have sender() and receiver() alive.
 	result->makeRequest([]() {
@@ -322,7 +323,7 @@ QString Utils::formatDateElapsedTime(const QDateTime &date) {
 }
 
 VariantObject *Utils::interpretUrl(QString uri) {
-	VariantObject *data = new VariantObject(uri);
+	VariantObject *data = new VariantObject("interpretUrl", uri);
 	if (!data) return nullptr;
 	data->makeRequest([uri]() -> QVariant {
 		QString address = uri;
@@ -344,7 +345,7 @@ bool Utils::isValidURL(const QString &url) {
 }
 
 VariantObject *Utils::findAvatarByAddress(const QString &address) {
-	VariantObject *data = new VariantObject("");
+	VariantObject *data = new VariantObject("findAvatarByAddress", "");
 	if (!data) return nullptr;
 	data->makeRequest([address]() -> QVariant {
 		QString avatar;
@@ -360,7 +361,7 @@ VariantObject *Utils::findAvatarByAddress(const QString &address) {
 }
 
 VariantObject *Utils::findFriendByAddress(const QString &address) {
-	VariantObject *data = new VariantObject();
+	VariantObject *data = new VariantObject("findFriendByAddress");
 	if (!data) return nullptr;
 	data->makeRequest([address]() {
 		auto linFriend = ToolModel::findFriendByAddress(address);
@@ -373,7 +374,7 @@ VariantObject *Utils::findFriendByAddress(const QString &address) {
 }
 
 VariantObject *Utils::getFriendAddressSecurityLevel(const QString &address) {
-	VariantObject *data = new VariantObject();
+	VariantObject *data = new VariantObject("getFriendAddressSecurityLevel");
 	if (!data) return nullptr;
 	data->makeRequest([address]() {
 		auto defaultFriendList = ToolModel::getAppFriendList();
@@ -1316,14 +1317,14 @@ int Utils::getYear(const QDate &date) {
 }
 
 VariantObject *Utils::isMe(const QString &address) {
-	VariantObject *data = new VariantObject(QVariant(false));
+	VariantObject *data = new VariantObject("isMe", QVariant(false));
 	if (!data) return nullptr;
 	data->makeRequest([address]() { return QVariant::fromValue(ToolModel::isMe(address)); });
 	data->requestValue();
 	return data;
 }
 VariantObject *Utils::isLocal(const QString &address) {
-	VariantObject *data = new VariantObject(QVariant(false));
+	VariantObject *data = new VariantObject("isLocal", QVariant(false));
 	data->makeRequest([address]() { return QVariant(ToolModel::isLocal(address)); });
 	data->requestValue();
 	return data;