diff --git a/res/content/base/scripts/hud.lua b/res/content/base/scripts/hud.lua
index 00f6bdc6..9fc10f2a 100644
--- a/res/content/base/scripts/hud.lua
+++ b/res/content/base/scripts/hud.lua
@@ -21,6 +21,9 @@ function on_hud_open()
         local ppos = vec3.add({player.get_pos(pid)}, {0, 0.7, 0})
         local throw_force = vec3.mul(player.get_dir(pid), DROP_FORCE)
         local drop = base_util.drop(ppos, itemid, 1, data, 1.5)
+        if not drop then
+            return
+        end
         local velocity = vec3.add(throw_force, vec3.add(pvel, DROP_INIT_VEL))
         drop.rigidbody:set_vel(velocity)
     end)
diff --git a/res/project_client.lua b/res/project_client.lua
index ede54110..a1952c08 100644
--- a/res/project_client.lua
+++ b/res/project_client.lua
@@ -20,7 +20,7 @@ function on_menu_setup()
     gui.root.root:add(
         "<image id='menubg' src='gui/menubg' size-func='DATA.resize_menu_bg' "..
         "z-index='-1' interactive='true'/>", controller)
-    menubg = _GUI_ROOT.menubg
+    menubg = gui.root.menubg
     controller.resize_menu_bg()
     menu.page = "main"
 end