diff --git a/webenginepart/src/CMakeLists.txt b/webenginepart/src/CMakeLists.txt
--- a/webenginepart/src/CMakeLists.txt
+++ b/webenginepart/src/CMakeLists.txt
@@ -29,6 +29,7 @@
 
 if(Qt5WebEngineWidgets_VERSION VERSION_GREATER_EQUAL "5.12.0")
   add_definitions(-DUSE_QWEBENGINE_URL_SCHEME)
+  add_definitions(-DDOWNLOADITEM_KNOWS_PAGE)
 else()
   list(APPEND kwebenginepartlib_LIB_SRCS, webengineparthtmlembedder.cpp)
 endif()
diff --git a/webenginepart/src/webenginepage.h b/webenginepart/src/webenginepage.h
--- a/webenginepart/src/webenginepage.h
+++ b/webenginepart/src/webenginepage.h
@@ -82,7 +82,9 @@
      */
     void loadAborted(const QUrl &url);
 
+#ifndef DOWNLOADITEM_KNOWS_PAGE
     void navigationRequested(WebEnginePage* page, const QUrl& url);
+#endif
 
 protected:
     /**
diff --git a/webenginepart/src/webenginepage.cpp b/webenginepart/src/webenginepage.cpp
--- a/webenginepart/src/webenginepage.cpp
+++ b/webenginepart/src/webenginepage.cpp
@@ -95,7 +95,9 @@
     {
         this->profile()->setHttpUserAgent(this->profile()->httpUserAgent() + " Konqueror (WebEnginePart)");
     }
+
     WebEnginePartDownloadManager::instance()->addPage(this);
+
     m_wallet = new WebEngineWallet(this, parent ? parent->window()->winId() : 0);
 }
 
@@ -265,7 +267,9 @@
 
     // Honor the enabling/disabling of plugins per host.
     settings()->setAttribute(QWebEngineSettings::PluginsEnabled, WebEngineSettings::self()->isPluginsEnabled(reqUrl.host()));
+#ifndef DOWNLOADITEM_KNOWS_PAGE
     emit navigationRequested(this, url);
+#endif
     return QWebEnginePage::acceptNavigationRequest(url, type, isMainFrame);
 }
 
@@ -847,7 +851,10 @@
         m_createNewWindow = false;
 
     }
+
+#ifndef DOWNLOADITEM_KNOWS_PAGE
     emit navigationRequested(this, url);
+#endif
     return WebEnginePage::acceptNavigationRequest(url, type, isMainFrame);
 }
 
diff --git a/webenginepart/src/webenginepartdownloadmanager.h b/webenginepart/src/webenginepartdownloadmanager.h
--- a/webenginepart/src/webenginepartdownloadmanager.h
+++ b/webenginepart/src/webenginepartdownloadmanager.h
@@ -37,21 +37,29 @@
 
     ~WebEnginePartDownloadManager() override;
 
+private:
+    WebEnginePartDownloadManager();
+
 public Q_SLOTS:
     void addPage(WebEnginePage *page);
     void removePage(QObject *page);
 
+private Q_SLOTS:
+    void performDownload(QWebEngineDownloadItem *it);
+
+#ifndef DOWNLOADITEM_KNOWS_PAGE
 private:
-    WebEnginePartDownloadManager();
     WebEnginePage* pageForDownload(QWebEngineDownloadItem *it);
 
 private Q_SLOTS:
-    void performDownload(QWebEngineDownloadItem *it);
     void recordNavigationRequest(WebEnginePage* page, const QUrl& url);
+#endif
 
 private:
     QVector<WebEnginePage*> m_pages;
+#ifndef DOWNLOADITEM_KNOWS_PAGE
     QHash<QUrl, WebEnginePage*> m_requests;
+#endif
 };
 
 #endif // WEBENGINEPARTDOWNLOADMANAGER_H
diff --git a/webenginepart/src/webenginepartdownloadmanager.cpp b/webenginepart/src/webenginepartdownloadmanager.cpp
--- a/webenginepart/src/webenginepartdownloadmanager.cpp
+++ b/webenginepart/src/webenginepartdownloadmanager.cpp
@@ -35,7 +35,9 @@
 
 WebEnginePartDownloadManager::~WebEnginePartDownloadManager()
 {
+#ifndef DOWNLOADITEM_KNOWS_PAGE
     m_requests.clear();
+#endif
 }
 
 WebEnginePartDownloadManager * WebEnginePartDownloadManager::instance()
@@ -49,21 +51,30 @@
     if (!m_pages.contains(page)) {
         m_pages.append(page);
     }
+#ifndef DOWNLOADITEM_KNOWS_PAGE
     connect(page, &WebEnginePage::navigationRequested, this, &WebEnginePartDownloadManager::recordNavigationRequest);
+#endif
     connect(page, &QObject::destroyed, this, &WebEnginePartDownloadManager::removePage);
 }
 
 void WebEnginePartDownloadManager::removePage(QObject* page)
 {
+#ifndef DOWNLOADITEM_KNOWS_PAGE
     const QUrl url = m_requests.key(static_cast<WebEnginePage *>(page));
     m_requests.remove(url);
+#endif
     m_pages.removeOne(static_cast<WebEnginePage*>(page));
 }
 
 void WebEnginePartDownloadManager::performDownload(QWebEngineDownloadItem* it)
 {
+#ifdef DOWNLOADITEM_KNOWS_PAGE
+    WebEnginePage *page = qobject_cast<WebEnginePage*>(it->page());
+#else
     WebEnginePage *page = m_requests.take(it->url());
+#endif
     bool forceNew = false;
+    //According to the documentation, QWebEngineDownloadItem::page() can return nullptr "if the download was not triggered by content in a page"
     if (!page && !m_pages.isEmpty()) {
         qCDebug(WEBENGINEPART_LOG) << "downloading" << it->url() << "in new window or tab";
         page = m_pages.first();
@@ -75,6 +86,8 @@
     page->download(it->url(), forceNew);
 }
 
+#ifndef DOWNLOADITEM_KNOWS_PAGE
+
 void WebEnginePartDownloadManager::recordNavigationRequest(WebEnginePage *page, const QUrl& url)
 {
 //     qCDebug(WEBENGINEPART_LOG) << url;
@@ -89,3 +102,4 @@
     }
     return page;
 }
+#endif