diff --git a/src/core/core.c b/src/core/core.c
index 54345729c..6a6355a68 100644
--- a/src/core/core.c
+++ b/src/core/core.c
@@ -146,6 +146,9 @@ meta_core_get (Display *xdisplay,
       case META_CORE_GET_FRAME_HEIGHT:
         *((gint*)answer) = window->frame->rect.height;
         break;
+      case META_CORE_GET_THEME_VARIANT:
+        *((char**)answer) = window->gtk_theme_variant;
+        break;
       case META_CORE_GET_SCREEN_WIDTH:
         *((gint*)answer) = window->screen->rect.width;
         break;
diff --git a/src/core/core.h b/src/core/core.h
index a2feb238b..9a8af7650 100644
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -48,6 +48,7 @@ typedef enum
   META_CORE_GET_FRAME_Y,
   META_CORE_GET_FRAME_WIDTH,
   META_CORE_GET_FRAME_HEIGHT,
+  META_CORE_GET_THEME_VARIANT,
   META_CORE_GET_SCREEN_WIDTH,
   META_CORE_GET_SCREEN_HEIGHT,
 } MetaCoreGetType;