diff --git a/src/runner/runner.rs b/src/runner/runner.rs
index 15d066f..d2ebcb4 100644
--- a/src/runner/runner.rs
+++ b/src/runner/runner.rs
@@ -41,6 +41,8 @@ fn init(lua:&mlua::Lua)->mlua::Result<()>{
 	super::number_sequence::set_globals(lua,&globals)?;
 	super::color_sequence::set_globals(lua,&globals)?;
 
+	lua.register_userdata_type::<super::script_signal::ScriptSignal>(mlua::UserData::register)?;
+
 	Ok(())
 }