diff --git a/notebooks/LPD/LPDChar_Darks_NBC.ipynb b/notebooks/LPD/LPDChar_Darks_NBC.ipynb
index d912c7c0a0c89040e29c0a235e74ab974c804c06..2b5f78efda66c69a3026cfc4ef57c293f3979edc 100644
--- a/notebooks/LPD/LPDChar_Darks_NBC.ipynb
+++ b/notebooks/LPD/LPDChar_Darks_NBC.ipynb
@@ -221,7 +221,7 @@
     "    filename, channel, gg, cap = inp\n",
     "    thresholds_offset_hard, thresholds_offset_sigma, thresholds_noise_hard, thresholds_noise_sigma = bp_thresh\n",
     "\n",
-    "    infile = h5py.File(filename, \"r\", driver=\"core\")\n",
+    "    infile = h5py.File(filename, \"r\")\n",
     "    \n",
     "    h5path = h5path.format(channel)\n",
     "    h5path_idx = h5path_idx.format(channel)\n",