diff --git a/src/plugins/platforms/wayland/qwaylandwindow.cpp b/src/plugins/platforms/wayland/qwaylandwindow.cpp
index 672ddc5b169..75942a238f4 100644
--- a/src/plugins/platforms/wayland/qwaylandwindow.cpp
+++ b/src/plugins/platforms/wayland/qwaylandwindow.cpp
@@ -1043,6 +1043,9 @@ bool QWaylandWindow::createDecoration()
 {
     Q_ASSERT_X(QThread::currentThreadId() == QThreadData::get2(thread())->threadId.loadRelaxed(),
                "QWaylandWindow::createDecoration", "not called from main thread");
+    // TODO: client side decorations do not work with Vulkan backend.
+    if (window()->surfaceType() == QSurface::VulkanSurface)
+        return false;
     if (!mDisplay->supportsWindowDecoration())
         return false;