diff --git a/src/register_types.cpp b/src/register_types.cpp
index 030faab..113767f 100644
--- a/src/register_types.cpp
+++ b/src/register_types.cpp
@@ -1,4 +1,6 @@
 #include "register_types.h"
+#include "car_physics.hpp"
+#include "car_player.hpp"
 #include "utils/game_mode.hpp"
 #include "utils/game_root.hpp"
 #include "utils/game_state.hpp"
@@ -24,6 +26,8 @@ void initialize_gdextension_types(ModuleInitializationLevel p_level)
     ClassDB::register_class<PlayerInput>();
     ClassDB::register_class<SpawnPoint3D>();
 
+    ClassDB::register_class<CarPhysics>();
+    ClassDB::register_class<CarPlayer>();
 }
 
 extern "C"