diff --git a/Barotrauma/BarotraumaServer/ServerSource/Lua/LuaSetup.cs b/Barotrauma/BarotraumaServer/ServerSource/Lua/LuaSetup.cs
index 72b943c60..169edc082 100644
--- a/Barotrauma/BarotraumaServer/ServerSource/Lua/LuaSetup.cs
+++ b/Barotrauma/BarotraumaServer/ServerSource/Lua/LuaSetup.cs
@@ -208,6 +208,8 @@ namespace Barotrauma
 			UserData.RegisterType<Pair<JobPrefab, int>>();
 			UserData.RegisterType<ContentPackage>();
 			UserData.RegisterType<ClientPermissions>();
+			UserData.RegisterType<SubmarineInfo>();
+			UserData.RegisterType<SubmarineBody>();
 
 			lua = new Script(CoreModules.Preset_SoftSandbox);