diff --git a/src/widgets/widgets/qcombobox.cpp b/src/widgets/widgets/qcombobox.cpp
index 76904aaadd..06de5566ff 100644
--- a/src/widgets/widgets/qcombobox.cpp
+++ b/src/widgets/widgets/qcombobox.cpp
@@ -1455,6 +1455,9 @@ QComboBox::~QComboBox()
     } QT_CATCH(...) {
         ; // objects can't throw in destructor
     }
+
+    // Dispose of container before QComboBox goes away
+    delete d->container;
 }
 
 /*!
diff --git a/src/widgets/widgets/qcombobox_p.h b/src/widgets/widgets/qcombobox_p.h
index 6ea0065d8c..723d637ae2 100644
--- a/src/widgets/widgets/qcombobox_p.h
+++ b/src/widgets/widgets/qcombobox_p.h
@@ -380,7 +380,7 @@ public:
     std::array<QMetaObject::Connection, 8> modelConnections;
     QAbstractItemModel *model = nullptr;
     QLineEdit *lineEdit = nullptr;
-    QComboBoxPrivateContainer *container = nullptr;
+    QPointer<QComboBoxPrivateContainer> container;
 #ifdef Q_OS_MAC
     QPlatformMenu *m_platformMenu = nullptr;
 #endif