diff --git a/snakemodules/notebooks/contig_coverage_heatmap.py.ipynb b/snakemodules/notebooks/contig_coverage_heatmap.py.ipynb
index 03bd1b5f15e49d4e4c2abe35a1a663c03ce7633c..4a813c29742552ccb10534427a3c78e43bbf4566 100644
--- a/snakemodules/notebooks/contig_coverage_heatmap.py.ipynb
+++ b/snakemodules/notebooks/contig_coverage_heatmap.py.ipynb
@@ -160,13 +160,23 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 91,
+   "execution_count": null,
    "id": "36f31bc9-8eaa-434a-9a81-6a97282fe469",
    "metadata": {},
    "outputs": [],
    "source": [
     "coverage_df.rename(columns={'#rname': 'contigs'}, inplace=True)\n",
-    "coverage_df.set_index('contigs', inplace=True)\n",
+    "coverage_df.set_index('contigs', inplace=True)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "345e2ab4",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "coverage_df = coverage_df[coverage_df.index.str.startswith(\"contig_\")]\n",
     "coverage_df = coverage_df.reindex(order_by_length)"
    ]
   },
@@ -217,7 +227,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "base",
    "language": "python",
    "name": "python3"
   },
@@ -231,7 +241,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.12"
+   "version": "3.9.12"
   }
  },
  "nbformat": 4,