diff --git a/notebooks/unit6/unit6.ipynb b/notebooks/unit6/unit6.ipynb
index 0ca054e..28f8a5c 100644
--- a/notebooks/unit6/unit6.ipynb
+++ b/notebooks/unit6/unit6.ipynb
@@ -431,7 +431,7 @@
       "source": [
         "env = make_vec_env(env_id, n_envs=4)\n",
         "\n",
-        "env = VecNormalize(env, norm_obs=True, norm_reward=False, clip_obs=10.)"
+        "env = VecNormalize(env, norm_obs=True, norm_reward=True, clip_obs=10.)"
       ],
       "metadata": {
         "id": "2O67mqgC-hol"