diff --git a/src/tools/uic/cpp/cppwriteinitialization.cpp b/src/tools/uic/cpp/cppwriteinitialization.cpp
index 78f243a6d3..b02e2dc0ed 100644
--- a/src/tools/uic/cpp/cppwriteinitialization.cpp
+++ b/src/tools/uic/cpp/cppwriteinitialization.cpp
@@ -1176,6 +1176,7 @@ void WriteInitialization::writeProperties(const QString &varName,
             continue;
         QString propertyName = p->attributeName();
         QString propertyValue;
+        bool delayProperty = false;
 
         // special case for the property `geometry': Do not use position
         if (isTopLevel && propertyName == QLatin1String("geometry") && p->elementRect()) {
@@ -1204,6 +1205,10 @@ void WriteInitialization::writeProperties(const QString &varName,
                     && m_uic->customWidgetsInfo()->extends(className, QLatin1String("QAxWidget"))) {
             // already done ;)
             continue;
+        } else if (propertyName == QLatin1String("default")
+                   && m_uic->customWidgetsInfo()->extends(className, QLatin1String("QPushButton"))) {
+            // QTBUG-44406: Setting of QPushButton::default needs to be delayed until the parent is set
+            delayProperty = true;
         } else if (propertyName == QLatin1String("database")
                     && p->elementStringList()) {
             // Sql support
@@ -1479,7 +1484,7 @@ void WriteInitialization::writeProperties(const QString &varName,
             else if (propertyName == QLatin1String("accessibleName") || propertyName == QLatin1String("accessibleDescription"))
                 defineC = accessibilityDefineC;
 
-            QTextStream &o = autoTrOutput(p);
+            QTextStream &o = delayProperty ? m_delayedOut : autoTrOutput(p);
 
             if (defineC)
                 openIfndef(o, QLatin1String(defineC));
diff --git a/tests/auto/tools/uic/baseline/addtorrentform.ui.h b/tests/auto/tools/uic/baseline/addtorrentform.ui.h
index 29bae9735c..5aca0c4e47 100644
--- a/tests/auto/tools/uic/baseline/addtorrentform.ui.h
+++ b/tests/auto/tools/uic/baseline/addtorrentform.ui.h
@@ -97,7 +97,6 @@ public:
 
         browseTorrents = new QPushButton(groupBox);
         browseTorrents->setObjectName(QStringLiteral("browseTorrents"));
-        browseTorrents->setDefault(true);
 
         gridLayout->addWidget(browseTorrents, 0, 3, 1, 1);
 
@@ -205,6 +204,9 @@ public:
         QObject::connect(okButton, SIGNAL(clicked()), AddTorrentFile, SLOT(accept()));
         QObject::connect(cancelButton, SIGNAL(clicked()), AddTorrentFile, SLOT(reject()));
 
+        browseTorrents->setDefault(true);
+
+
         QMetaObject::connectSlotsByName(AddTorrentFile);
     } // setupUi
 
diff --git a/tests/auto/tools/uic/baseline/config.ui.h b/tests/auto/tools/uic/baseline/config.ui.h
index 0775c02346..2d9003b4b9 100644
--- a/tests/auto/tools/uic/baseline/config.ui.h
+++ b/tests/auto/tools/uic/baseline/config.ui.h
@@ -688,7 +688,6 @@ public:
         buttonOk = new QPushButton(Config);
         buttonOk->setObjectName(QStringLiteral("buttonOk"));
         buttonOk->setAutoDefault(true);
-        buttonOk->setDefault(true);
 
         hboxLayout3->addWidget(buttonOk);
 
@@ -706,6 +705,9 @@ public:
         QObject::connect(size_width, SIGNAL(valueChanged(int)), size_custom, SLOT(click()));
         QObject::connect(size_height, SIGNAL(valueChanged(int)), size_custom, SLOT(click()));
 
+        buttonOk->setDefault(true);
+
+
         QMetaObject::connectSlotsByName(Config);
     } // setupUi
 
diff --git a/tests/auto/tools/uic/baseline/finddialog.ui.h b/tests/auto/tools/uic/baseline/finddialog.ui.h
index 50595edc8a..259d36569f 100644
--- a/tests/auto/tools/uic/baseline/finddialog.ui.h
+++ b/tests/auto/tools/uic/baseline/finddialog.ui.h
@@ -164,7 +164,6 @@ public:
         vboxLayout1->setObjectName(QStringLiteral("vboxLayout1"));
         findNxt = new QPushButton(FindDialog);
         findNxt->setObjectName(QStringLiteral("findNxt"));
-        findNxt->setDefault(true);
         findNxt->setFlat(false);
 
         vboxLayout1->addWidget(findNxt);
@@ -194,6 +193,9 @@ public:
         retranslateUi(FindDialog);
         QObject::connect(cancel, SIGNAL(clicked()), FindDialog, SLOT(reject()));
 
+        findNxt->setDefault(true);
+
+
         QMetaObject::connectSlotsByName(FindDialog);
     } // setupUi
 
diff --git a/tests/auto/tools/uic/baseline/qsqlconnectiondialog.ui.h b/tests/auto/tools/uic/baseline/qsqlconnectiondialog.ui.h
index 484c0877bc..31edb426fe 100644
--- a/tests/auto/tools/uic/baseline/qsqlconnectiondialog.ui.h
+++ b/tests/auto/tools/uic/baseline/qsqlconnectiondialog.ui.h
@@ -171,7 +171,6 @@ public:
 
         okButton = new QPushButton(QSqlConnectionDialogUi);
         okButton->setObjectName(QStringLiteral("okButton"));
-        okButton->setDefault(true);
 
         hboxLayout1->addWidget(okButton);
 
@@ -202,6 +201,9 @@ public:
 
         retranslateUi(QSqlConnectionDialogUi);
 
+        okButton->setDefault(true);
+
+
         QMetaObject::connectSlotsByName(QSqlConnectionDialogUi);
     } // setupUi
 
diff --git a/tests/auto/tools/uic/baseline/sslclient.ui.h b/tests/auto/tools/uic/baseline/sslclient.ui.h
index a74a465955..f2071d8780 100644
--- a/tests/auto/tools/uic/baseline/sslclient.ui.h
+++ b/tests/auto/tools/uic/baseline/sslclient.ui.h
@@ -86,7 +86,6 @@ public:
         connectButton = new QPushButton(Form);
         connectButton->setObjectName(QStringLiteral("connectButton"));
         connectButton->setEnabled(true);
-        connectButton->setDefault(true);
 
         vboxLayout->addWidget(connectButton);
 
@@ -136,7 +135,6 @@ public:
         sendButton->setObjectName(QStringLiteral("sendButton"));
         sendButton->setEnabled(false);
         sendButton->setFocusPolicy(Qt::TabFocus);
-        sendButton->setDefault(true);
 
         hboxLayout1->addWidget(sendButton);
 
@@ -151,6 +149,10 @@ public:
         QObject::connect(hostNameEdit, SIGNAL(returnPressed()), connectButton, SLOT(animateClick()));
         QObject::connect(sessionInput, SIGNAL(returnPressed()), sendButton, SLOT(animateClick()));
 
+        connectButton->setDefault(true);
+        sendButton->setDefault(true);
+
+
         QMetaObject::connectSlotsByName(Form);
     } // setupUi
 
diff --git a/tests/auto/tools/uic/baseline/topicchooser.ui.h b/tests/auto/tools/uic/baseline/topicchooser.ui.h
index 06d34e9c63..3935a7a87b 100644
--- a/tests/auto/tools/uic/baseline/topicchooser.ui.h
+++ b/tests/auto/tools/uic/baseline/topicchooser.ui.h
@@ -77,7 +77,6 @@ public:
         buttonDisplay = new QPushButton(Layout16);
         buttonDisplay->setObjectName(QStringLiteral("buttonDisplay"));
         buttonDisplay->setAutoDefault(true);
-        buttonDisplay->setDefault(true);
 
         hboxLayout->addWidget(buttonDisplay);
 
@@ -96,6 +95,9 @@ public:
 
         retranslateUi(TopicChooser);
 
+        buttonDisplay->setDefault(true);
+
+
         QMetaObject::connectSlotsByName(TopicChooser);
     } // setupUi
 
diff --git a/tests/auto/tools/uic/baseline/translatedialog.ui.h b/tests/auto/tools/uic/baseline/translatedialog.ui.h
index 72a2b48f2e..c494ca77c3 100644
--- a/tests/auto/tools/uic/baseline/translatedialog.ui.h
+++ b/tests/auto/tools/uic/baseline/translatedialog.ui.h
@@ -164,7 +164,6 @@ public:
         vboxLayout2->setContentsMargins(0, 0, 0, 0);
         findNxt = new QPushButton(TranslateDialog);
         findNxt->setObjectName(QStringLiteral("findNxt"));
-        findNxt->setDefault(true);
         findNxt->setFlat(false);
 
         vboxLayout2->addWidget(findNxt);
@@ -206,6 +205,9 @@ public:
         retranslateUi(TranslateDialog);
         QObject::connect(cancel, SIGNAL(clicked()), TranslateDialog, SLOT(reject()));
 
+        findNxt->setDefault(true);
+
+
         QMetaObject::connectSlotsByName(TranslateDialog);
     } // setupUi