diff --git a/src/runner/script_signal.rs b/src/runner/script_signal.rs
index 45eab8e..877f2b6 100644
--- a/src/runner/script_signal.rs
+++ b/src/runner/script_signal.rs
@@ -165,6 +165,7 @@ pub fn set_globals(lua:&mlua::Lua,globals:&mlua::Table)->Result<(),mlua::Error>{
 
 	lua.register_userdata_type::<ScriptSignal>(|reg|{
 		reg.add_field("Wait",wait);
+		mlua::UserData::register(reg);
 	})?;
 
 	Ok(())