diff --git a/notebooks/mth5/05_make_mth5_from_iris_v0.2.0.ipynb b/notebooks/mth5/05_make_mth5_from_iris_v0.2.0.ipynb
index b8ced2f..8e14c61 100644
--- a/notebooks/mth5/05_make_mth5_from_iris_v0.2.0.ipynb
+++ b/notebooks/mth5/05_make_mth5_from_iris_v0.2.0.ipynb
@@ -2927,7 +2927,7 @@
     }
    ],
    "source": [
-    "ex = mth5_object.from_reference(ch_df.iloc[-6].hdf5_reference).to_channel_ts()\n",
+    "ex = mth5_object.from_reference(ch_df.iloc[50].hdf5_reference).to_channel_ts()\n",
     "print(ex)"
    ]
   },