diff --git a/modern_3_indexes.ipynb b/modern_3_indexes.ipynb
index ad33cbd..4e0cb34 100644
--- a/modern_3_indexes.ipynb
+++ b/modern_3_indexes.ipynb
@@ -756,7 +756,7 @@
     "\n",
     "flights = pd.read_hdf('data/flights.h5', 'flights')\n",
     "\n",
-    "weather_locs = weather.index.levels[0]\n",
+    "weather_locs = weather.index.get_level_values('station')\n",
     "# The `categories` attribute of a Categorical is an Index\n",
     "origin_locs = flights.origin.cat.categories\n",
     "dest_locs = flights.dest.cat.categories\n",