diff --git a/src/register_types.cpp b/src/register_types.cpp
index a3b6b70..c750e22 100644
--- a/src/register_types.cpp
+++ b/src/register_types.cpp
@@ -7,6 +7,7 @@
 #include "player.hpp"
 #include "level.hpp"
 #include "entrance.hpp"
+#include "game_mode.hpp"
 
 using namespace godot;
 
@@ -17,6 +18,7 @@ void initialize_gdextension_types(ModuleInitializationLevel p_level) {
     ClassDB::register_class<Player>();
     ClassDB::register_class<Level>();
     ClassDB::register_class<Entrance>();
+    ClassDB::register_class<GameMode>();
 }
 
 extern "C" {