diff --git a/03_classification.ipynb b/03_classification.ipynb
index a40bb61..ef7401b 100644
--- a/03_classification.ipynb
+++ b/03_classification.ipynb
@@ -186,7 +186,7 @@
     "import matplotlib as mpl\n",
     "import matplotlib.pyplot as plt\n",
     "\n",
-    "some_digit = X[0]\n",
+    "some_digit = X.values[0]\n",
     "some_digit_image = some_digit.reshape(28, 28)\n",
     "plt.imshow(some_digit_image, cmap = mpl.cm.binary, interpolation=\"nearest\")\n",
     "plt.axis(\"off\")\n",