diff --git a/messageviewer/src/viewer/webengine/mailwebenginepage.h b/messageviewer/src/viewer/webengine/mailwebenginepage.h
--- a/messageviewer/src/viewer/webengine/mailwebenginepage.h
+++ b/messageviewer/src/viewer/webengine/mailwebenginepage.h
@@ -29,7 +29,7 @@
 public:
     explicit MailWebEnginePage(QObject *parent = nullptr);
     explicit MailWebEnginePage(QWebEngineProfile *profile, QObject *parent = nullptr);
-    ~MailWebEnginePage();
+    virtual ~MailWebEnginePage() = default;
 
     void setPrintElementBackground(bool printElementBackground);
 
diff --git a/messageviewer/src/viewer/webengine/mailwebenginepage.cpp b/messageviewer/src/viewer/webengine/mailwebenginepage.cpp
--- a/messageviewer/src/viewer/webengine/mailwebenginepage.cpp
+++ b/messageviewer/src/viewer/webengine/mailwebenginepage.cpp
@@ -32,13 +32,15 @@
 MailWebEnginePage::MailWebEnginePage(QWebEngineProfile *profile, QObject *parent)
     : WebEngineViewer::WebEnginePage(profile, parent)
 {
+    // Take ownership of the private QWebEngineProfile here, so that it will be
+    // deleted along with the QWebEnginePage.  The profile must remain active
+    // for as long as any QWebEnginePage's belonging to it exist, see the API
+    // documentation of QWebEnginePage::QWebEnginePage(QWebEngineProfile *, QObject *).
+    // Deleting it as our child on destruction is safe.
+    profile->setParent(this);
     initialize();
 }
 
-MailWebEnginePage::~MailWebEnginePage()
-{
-}
-
 void MailWebEnginePage::initialize()
 {
     settings()->setAttribute(QWebEngineSettings::JavascriptEnabled, false);
diff --git a/messageviewer/src/viewer/webengine/mailwebengineview.cpp b/messageviewer/src/viewer/webengine/mailwebengineview.cpp
--- a/messageviewer/src/viewer/webengine/mailwebengineview.cpp
+++ b/messageviewer/src/viewer/webengine/mailwebengineview.cpp
@@ -81,7 +81,10 @@
     : WebEngineViewer::WebEngineView(parent)
     , d(new MessageViewer::MailWebEngineViewPrivate)
 {
-    d->mPageEngine = new MailWebEnginePage(new QWebEngineProfile(this), this);
+    // Do not create the QWebEngineProfile as a child of us, the MailWebEnginePage
+    // will take ownershp of it and ensure that it it correctly deleted during
+    // destruction.
+    d->mPageEngine = new MailWebEnginePage(new QWebEngineProfile, this);
     setPage(d->mPageEngine);
     d->mWebViewAccessKey = new WebEngineViewer::WebEngineAccessKey(this, this);
     d->mWebViewAccessKey->setActionCollection(ac);