diff --git a/src/wayland/meta-xwayland.c b/src/wayland/meta-xwayland.c
index eee4bf055..a581bf760 100644
--- a/src/wayland/meta-xwayland.c
+++ b/src/wayland/meta-xwayland.c
@@ -1356,3 +1356,24 @@ meta_xwayland_get_effective_scale (MetaXWaylandManager *manager)
 
   return 1;
 }
+
+int
+meta_xwayland_get_x11_ui_scaling_factor (MetaXWaylandManager *manager)
+{
+  MetaWaylandCompositor *compositor = manager->compositor;
+  MetaContext *context = meta_wayland_compositor_get_context (compositor);
+  MetaBackend *backend = meta_context_get_backend (context);
+  MetaMonitorManager *monitor_manager =
+    meta_backend_get_monitor_manager (backend);
+  MetaSettings *settings = meta_backend_get_settings (backend);
+
+  switch (meta_monitor_manager_get_layout_mode (monitor_manager))
+    {
+    case META_LOGICAL_MONITOR_LAYOUT_MODE_PHYSICAL:
+      return meta_settings_get_ui_scaling_factor (settings);
+    case META_LOGICAL_MONITOR_LAYOUT_MODE_LOGICAL:
+      return meta_xwayland_get_effective_scale (manager);
+    }
+
+  g_assert_not_reached ();
+}
diff --git a/src/wayland/meta-xwayland.h b/src/wayland/meta-xwayland.h
index ae7a06977..9852840d5 100644
--- a/src/wayland/meta-xwayland.h
+++ b/src/wayland/meta-xwayland.h
@@ -50,3 +50,5 @@ gboolean meta_xwayland_signal (MetaXWaylandManager  *manager,
                                GError              **error);
 
 int meta_xwayland_get_effective_scale (MetaXWaylandManager *manager);
+
+int meta_xwayland_get_x11_ui_scaling_factor (MetaXWaylandManager *manager);