diff --git a/notebooks/LPD/LPD_Correct_Fast.ipynb b/notebooks/LPD/LPD_Correct_Fast.ipynb
index bbd74430163ba8ffcd5fb016f49beee4d75685d3..6c6990439238b4c07a9aeef400843380a090afed 100644
--- a/notebooks/LPD/LPD_Correct_Fast.ipynb
+++ b/notebooks/LPD/LPD_Correct_Fast.ipynb
@@ -55,8 +55,9 @@
     "\n",
     "# Output options\n",
     "overwrite = True  # set to True if existing data should be overwritten\n",
-    "chunks_data = 32  # HDF chunk size for pixel data in number of frames.\n",
+    "chunks_data = 1  # HDF chunk size for pixel data in number of frames.\n",
     "chunks_ids = 32  # HDF chunk size for cellId and pulseId datasets.\n",
+    "create_virtual_cxi_in = ''  # Folder to create virtual CXI files in (for each job's chunk)\n",
     "\n",
     "# Parallelization options\n",
     "sequences_per_node = 1  # Sequence files to process per node\n",
@@ -589,6 +590,31 @@
     "cb.set_ticks([0, 1, 2])\n",
     "cb.set_ticklabels(['High gain', 'Medium gain', 'Low gain'])"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Create virtual CXI file"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "if create_virtual_cxi_in:\n",
+    "    vcxi_folder = Path(create_virtual_cxi_in)\n",
+    "    vcxi_folder.mkdir(parents=True, exist_ok=True)\n",
+    "    \n",
+    "    if not sequences or sequences == [-1]:\n",
+    "        seqs = 'all'\n",
+    "    else:\n",
+    "        seqs = '_'.join(str(s) for s in sequences)\n",
+    "    \n",
+    "    det.write_virtual_cxi(vcxi_folder / f'r{run}_seqs_{seqs}.cxi')"
+   ]
   }
  ],
  "metadata": {