diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp
index 25a4bd5fa5..1d8450a755 100644
--- a/src/plugins/platforms/xcb/qxcbwindow.cpp
+++ b/src/plugins/platforms/xcb/qxcbwindow.cpp
@@ -92,6 +92,8 @@ enum {
 
 QT_BEGIN_NAMESPACE
 
+Q_LOGGING_CATEGORY(lcQpaWindow, "qt.qpa.window");
+
 Q_DECLARE_TYPEINFO(xcb_rectangle_t, Q_PRIMITIVE_TYPE);
 
 #undef FocusIn
@@ -539,6 +541,7 @@ void QXcbWindow::destroy()
     }
 
     m_mapped = false;
+    m_recreationReasons = RecreationNotNeeded;
 
     if (m_pendingSyncRequest)
         m_pendingSyncRequest->invalidate();
@@ -673,6 +676,11 @@ void QXcbWindow::setVisible(bool visible)
 void QXcbWindow::show()
 {
     if (window()->isTopLevel()) {
+        if (m_recreationReasons != RecreationNotNeeded) {
+            qCDebug(lcQpaWindow) << "QXcbWindow: need to recreate window" << window() << m_recreationReasons;
+            create();
+            m_recreationReasons = RecreationNotNeeded;
+        }
 
         // update WM_NORMAL_HINTS
         propagateSizeHints();
@@ -888,6 +896,12 @@ void QXcbWindow::setWindowFlags(Qt::WindowFlags flags)
     if (type == Qt::Popup)
         flags |= Qt::X11BypassWindowManagerHint;
 
+    Qt::WindowFlags oldflags = window()->flags();
+    if ((oldflags & Qt::WindowStaysOnTopHint) != (flags & Qt::WindowStaysOnTopHint))
+        m_recreationReasons |= WindowStaysOnTopHintChanged;
+    if ((oldflags & Qt::WindowStaysOnBottomHint) != (flags & Qt::WindowStaysOnBottomHint))
+        m_recreationReasons |= WindowStaysOnBottomHintChanged;
+
     const quint32 mask = XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK;
     const quint32 values[] = {
          // XCB_CW_OVERRIDE_REDIRECT
diff --git a/src/plugins/platforms/xcb/qxcbwindow.h b/src/plugins/platforms/xcb/qxcbwindow.h
index 2c65296d90..74d953df96 100644
--- a/src/plugins/platforms/xcb/qxcbwindow.h
+++ b/src/plugins/platforms/xcb/qxcbwindow.h
@@ -74,6 +74,13 @@ public:
 
     Q_DECLARE_FLAGS(NetWmStates, NetWmState)
 
+    enum RecreationReason {
+        RecreationNotNeeded = 0,
+        WindowStaysOnTopHintChanged = 0x1,
+        WindowStaysOnBottomHintChanged = 0x2
+    };
+    Q_DECLARE_FLAGS(RecreationReasons, RecreationReason)
+
     QXcbWindow(QWindow *window);
     ~QXcbWindow();
 
@@ -280,6 +287,8 @@ protected:
     int m_swapInterval = -1;
 
     qreal m_sizeHintsScaleFactor = 1.0;
+
+    RecreationReasons m_recreationReasons = RecreationNotNeeded;
 };
 
 class QXcbForeignWindow : public QXcbWindow