diff --git a/Barotrauma/BarotraumaShared/Lua/DefaultLib.lua b/Barotrauma/BarotraumaShared/Lua/DefaultLib.lua
index 2afe04c7e..e140996d6 100644
--- a/Barotrauma/BarotraumaShared/Lua/DefaultLib.lua
+++ b/Barotrauma/BarotraumaShared/Lua/DefaultLib.lua
@@ -116,6 +116,7 @@ defaultLib["Vector4"] = CreateStatic("Microsoft.Xna.Framework.Vector4", true)
 defaultLib["Color"] = CreateStatic("Microsoft.Xna.Framework.Color", true)
 defaultLib["Point"] = CreateStatic("Microsoft.Xna.Framework.Point", true)
 defaultLib["Rectangle"] = CreateStatic("Microsoft.Xna.Framework.Rectangle", true)
+defaultLib["Matrix"] = CreateStatic("Microsoft.Xna.Framework.Matrix", true)
 
 if SERVER then
 
diff --git a/Barotrauma/BarotraumaShared/Lua/DefaultRegister.lua b/Barotrauma/BarotraumaShared/Lua/DefaultRegister.lua
index 334388984..9a42bbe8e 100644
--- a/Barotrauma/BarotraumaShared/Lua/DefaultRegister.lua
+++ b/Barotrauma/BarotraumaShared/Lua/DefaultRegister.lua
@@ -205,6 +205,7 @@ Register("Microsoft.Xna.Framework.Vector4")
 Register("Microsoft.Xna.Framework.Color")
 Register("Microsoft.Xna.Framework.Point")
 Register("Microsoft.Xna.Framework.Rectangle")
+Register("Microsoft.Xna.Framework.Matrix")
 
 if SERVER then
 RegisterBarotrauma("Networking.ServerPeer")