diff --git a/Barotrauma/BarotraumaShared/Lua/DefaultLib.lua b/Barotrauma/BarotraumaShared/Lua/DefaultLib.lua
index e140996d6..f89b58079 100644
--- a/Barotrauma/BarotraumaShared/Lua/DefaultLib.lua
+++ b/Barotrauma/BarotraumaShared/Lua/DefaultLib.lua
@@ -127,6 +127,7 @@ elseif CLIENT then
 	defaultLib["Keys"] = CreateStatic("Microsoft.Xna.Framework.Input.Keys", true)
 
 	defaultLib["GUI"] = {
+		GUI = CreateStatic("Barotrauma.GUI", true),
 		RectTransform = CreateStatic("Barotrauma.RectTransform", true),
 		LayoutGroup = CreateStatic("Barotrauma.GUILayoutGroup", true),
 		Button = CreateStatic("Barotrauma.GUIButton", true),
@@ -139,6 +140,7 @@ elseif CLIENT then
 		ListBox = CreateStatic("Barotrauma.GUIListBox", true),
 		ScrollBar = CreateStatic("Barotrauma.GUIScrollBar", true),
 		DropDown = CreateStatic("Barotrauma.GUIDropDown", true),
+		NumberInput = CreateStatic("Barotrauma.GUINumberInput", true),
 
 		Screen = CreateStatic("Barotrauma.Screen"),
 
diff --git a/Barotrauma/BarotraumaShared/Lua/DefaultRegister.lua b/Barotrauma/BarotraumaShared/Lua/DefaultRegister.lua
index 1b93862c2..a8fb846e3 100644
--- a/Barotrauma/BarotraumaShared/Lua/DefaultRegister.lua
+++ b/Barotrauma/BarotraumaShared/Lua/DefaultRegister.lua
@@ -232,6 +232,7 @@ Register("EventInput.KeyEventArgs")
 Register("Microsoft.Xna.Framework.Input.Keys")
 
 RegisterBarotrauma("Sprite")
+RegisterBarotrauma("GUI")
 RegisterBarotrauma("GUILayoutGroup")
 RegisterBarotrauma("GUITextBox")
 RegisterBarotrauma("GUITextBlock")
@@ -244,6 +245,7 @@ RegisterBarotrauma("GUIImage")
 RegisterBarotrauma("GUIListBox")
 RegisterBarotrauma("GUIScrollBar")
 RegisterBarotrauma("GUIDropDown")
+RegisterBarotrauma("GUINumberInput")
 
 end