diff --git a/src/plugins/platforms/wayland/qwaylandwlshellsurface.cpp b/src/plugins/platforms/wayland/qwaylandwlshellsurface.cpp
index f7bdc2c99fc..7235931d3bc 100644
--- a/src/plugins/platforms/wayland/qwaylandwlshellsurface.cpp
+++ b/src/plugins/platforms/wayland/qwaylandwlshellsurface.cpp
@@ -47,8 +47,8 @@ QT_BEGIN_NAMESPACE
 namespace QtWaylandClient {
 
 QWaylandWlShellSurface::QWaylandWlShellSurface(struct ::wl_shell_surface *shell_surface, QWaylandWindow *window)
-    : QtWayland::wl_shell_surface(shell_surface)
-    , QWaylandShellSurface(window)
+    : QWaylandShellSurface(window)
+    , QtWayland::wl_shell_surface(shell_surface)
     , m_window(window)
     , m_maximized(false)
     , m_fullscreen(false)
diff --git a/src/plugins/platforms/wayland/qwaylandxdgsurface.cpp b/src/plugins/platforms/wayland/qwaylandxdgsurface.cpp
index f06d7e35391..396fa332e41 100644
--- a/src/plugins/platforms/wayland/qwaylandxdgsurface.cpp
+++ b/src/plugins/platforms/wayland/qwaylandxdgsurface.cpp
@@ -46,8 +46,8 @@ QT_BEGIN_NAMESPACE
 namespace QtWaylandClient {
 
 QWaylandXdgSurface::QWaylandXdgSurface(struct ::xdg_surface *xdg_surface, QWaylandWindow *window)
-    : QtWayland::xdg_surface(xdg_surface)
-    , QWaylandShellSurface(window)
+    : QWaylandShellSurface(window)
+    , QtWayland::xdg_surface(xdg_surface)
     , m_window(window)
     , m_maximized(false)
     , m_minimized(false)