diff --git a/Barotrauma/BarotraumaShared/Lua/DefaultRegister.lua b/Barotrauma/BarotraumaShared/Lua/DefaultRegister.lua
index 0c0949ec9..6976be8a0 100644
--- a/Barotrauma/BarotraumaShared/Lua/DefaultRegister.lua
+++ b/Barotrauma/BarotraumaShared/Lua/DefaultRegister.lua
@@ -24,6 +24,9 @@ RegisterBarotrauma("Character")
 RegisterBarotrauma("Item")
 RegisterBarotrauma("Submarine")
 RegisterBarotrauma("Networking.Client")
+RegisterBarotrauma("Networking.NetworkConnection")
+RegisterBarotrauma("Networking.LidgrenConnection")
+RegisterBarotrauma("Networking.SteamP2PConnection")
 RegisterBarotrauma("AfflictionPrefab")
 RegisterBarotrauma("Affliction")
 RegisterBarotrauma("CharacterHealth")