diff --git a/fancy_gym/envs/__init__.py b/fancy_gym/envs/__init__.py
index b3fcb8f..c004349 100644
--- a/fancy_gym/envs/__init__.py
+++ b/fancy_gym/envs/__init__.py
@@ -296,6 +296,7 @@ for env_mode in ["tournament", "7dof-hit", "7dof-defend", "3dof-hit", "3dof-defe
         id=f'fancy/AirHockey-{env_mode}-v0',
         entry_point='fancy_gym.envs.mujoco:AirHockeyEnv',
         max_episode_steps=45000,
+        add_mp_types=[],
         kwargs={
             'env_mode': env_mode
         }