diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp
index 433d6d5948..a1e7bea0dd 100644
--- a/src/plugins/platforms/xcb/qxcbwindow.cpp
+++ b/src/plugins/platforms/xcb/qxcbwindow.cpp
@@ -1375,6 +1375,7 @@ void QXcbWindow::requestActivateWindow()
     updateNetWmUserTime(connection()->time());
 
     if (window()->isTopLevel()
+        && !(window()->flags() & Qt::X11BypassWindowManagerHint)
         && connection()->wmSupport()->isSupportedByWM(atom(QXcbAtom::_NET_ACTIVE_WINDOW))) {
         xcb_client_message_event_t event;
 
@@ -1390,10 +1391,10 @@ void QXcbWindow::requestActivateWindow()
         event.data.data32[4] = 0;
 
         Q_XCB_CALL(xcb_send_event(xcb_connection(), 0, m_screen->root(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&event));
+    } else {
+        Q_XCB_CALL(xcb_set_input_focus(xcb_connection(), XCB_INPUT_FOCUS_PARENT, m_window, connection()->time()));
     }
 
-    Q_XCB_CALL(xcb_set_input_focus(xcb_connection(), XCB_INPUT_FOCUS_PARENT, m_window, connection()->time()));
-
     connection()->sync();
 }