diff --git a/Barotrauma/BarotraumaShared/Lua/DefaultRegister/RegisterServer.lua b/Barotrauma/BarotraumaShared/Lua/DefaultRegister/RegisterServer.lua
index cd2928892..b9a4127c9 100644
--- a/Barotrauma/BarotraumaShared/Lua/DefaultRegister/RegisterServer.lua
+++ b/Barotrauma/BarotraumaShared/Lua/DefaultRegister/RegisterServer.lua
@@ -18,3 +18,4 @@ RegisterBarotrauma("Networking.GameServer")
 
 RegisterBarotrauma("Networking.ServerPeer")
 RegisterBarotrauma("Networking.ServerPeer+PendingClient")
+RegisterBarotrauma("Networking.FileSender")