diff --git a/notebooks/02.08-Sorting.ipynb b/notebooks/02.08-Sorting.ipynb
index 07744e59..f68dde75 100644
--- a/notebooks/02.08-Sorting.ipynb
+++ b/notebooks/02.08-Sorting.ipynb
@@ -445,7 +445,7 @@
    },
    "outputs": [],
    "source": [
-    "X = rng.random((10, 2))"
+    "X = np.random.rand((10, 2))"
    ]
   },
   {