diff --git a/src/MainWindow.cpp b/src/MainWindow.cpp
index 64fce69d..ec8209da 100644
--- a/src/MainWindow.cpp
+++ b/src/MainWindow.cpp
@@ -116,3 +116,9 @@ SideBar *MainWindow::sideBar(SideBarLocation location) const
 {
     return d->m_sideBars.value(location);
 }
+
+void MainWindow::resizeEvent(QResizeEvent *ev)
+{
+    MainWindowBase::resizeEvent(ev);
+    onResized(ev); // Also call our own handler, since QtQuick doesn't have resizeEvent()
+}
diff --git a/src/MainWindow.h b/src/MainWindow.h
index 38f63249..e273707e 100644
--- a/src/MainWindow.h
+++ b/src/MainWindow.h
@@ -50,6 +50,9 @@ public:
     ///@brief returns the sidebar for the specified location
     SideBar *sideBar(SideBarLocation) const override;
 
+protected:
+    void resizeEvent(QResizeEvent *) override;
+
 private:
     using QMainWindow::setCentralWidget;
     void setCentralWidget(QWidget *); // overridden just to make it private
diff --git a/src/MainWindowBase.cpp b/src/MainWindowBase.cpp
index 49c41f46..4fef53d2 100644
--- a/src/MainWindowBase.cpp
+++ b/src/MainWindowBase.cpp
@@ -231,7 +231,7 @@ void MainWindowBase::Private::updateOverlayGeometry()
         return;
     }
 
-    m_overlayedDockWidget->setGeometry(rectForOverlay(m_overlayedDockWidget->frame(), sb->location()));
+    m_overlayedDockWidget->frame()->QWidgetAdapter::setGeometry(rectForOverlay(m_overlayedDockWidget->frame(), sb->location()));
 }
 
 void MainWindowBase::moveToSideBar(DockWidgetBase *dw)
@@ -350,6 +350,12 @@ void MainWindowBase::setUniqueName(const QString &uniqueName)
     }
 }
 
+void MainWindowBase::onResized(QResizeEvent *)
+{
+    if (d->m_overlayedDockWidget)
+        d->updateOverlayGeometry();
+}
+
 bool MainWindowBase::deserialize(const LayoutSaver::MainWindow &mw)
 {
     if (mw.options != options()) {
diff --git a/src/MainWindowBase.h b/src/MainWindowBase.h
index 89b4fcfc..1d92e30b 100644
--- a/src/MainWindowBase.h
+++ b/src/MainWindowBase.h
@@ -164,6 +164,7 @@ public:
 
 protected:
     void setUniqueName(const QString &uniqueName);
+    void onResized(QResizeEvent *); // Because QtQuick doesn't have resizeEvent()
 
     virtual SideBar* sideBar(SideBarLocation) const = 0;