diff --git a/features/gui/debug/model.lua b/features/gui/debug/model.lua
index 61cdf691..6bce7887 100644
--- a/features/gui/debug/model.lua
+++ b/features/gui/debug/model.lua
@@ -1,4 +1,5 @@
 local Gui = require 'utils.gui'
+local table = require 'utils.table'
 
 local gui_names = Gui.names
 local type = type