diff --git a/18_reinforcement_learning.ipynb b/18_reinforcement_learning.ipynb
index afc889d..6183027 100644
--- a/18_reinforcement_learning.ipynb
+++ b/18_reinforcement_learning.ipynb
@@ -2067,7 +2067,7 @@
     "env = suite_atari.load(\n",
     "    environment_name,\n",
     "    max_episode_steps=max_episode_steps,\n",
-    "    gym_env_wrappers=[AtariPreprocessingWithAutoStart, FrameStack4])"
+    "    gym_env_wrappers=[AtariPreprocessingWithAutoFire, FrameStack4])"
    ]
   },
   {