diff --git a/src/core/window.c b/src/core/window.c
index 1a1fca7de..ed577972a 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -7071,6 +7071,18 @@ meta_window_get_wm_class_instance (MetaWindow *window)
   return window->res_name;
 }
 
+/**
+ * meta_window_get_gtk_theme_variant:
+ * @window: a #MetaWindow
+ *
+ * Return value: (transfer none): the theme variant or %NULL
+ **/
+const char *
+meta_window_get_gtk_theme_variant (MetaWindow *window)
+{
+  return window->gtk_theme_variant;
+}
+
 /**
  * meta_window_get_gtk_application_id:
  * @window: a #MetaWindow
diff --git a/src/meta/window.h b/src/meta/window.h
index b1b68c660..1a60278cb 100644
--- a/src/meta/window.h
+++ b/src/meta/window.h
@@ -140,6 +140,7 @@ const char * meta_window_get_wm_class (MetaWindow *window);
 const char * meta_window_get_wm_class_instance (MetaWindow *window);
 gboolean    meta_window_showing_on_its_workspace (MetaWindow *window);
 
+const char * meta_window_get_gtk_theme_variant (MetaWindow *window);
 const char * meta_window_get_gtk_application_id (MetaWindow *window);
 const char * meta_window_get_gtk_unique_bus_name (MetaWindow *window);
 const char * meta_window_get_gtk_application_object_path (MetaWindow *window);