diff --git a/notebooks/AGIPD/AGIPD_Correct_and_Verify.ipynb b/notebooks/AGIPD/AGIPD_Correct_and_Verify.ipynb
index 8c3b5d717dc6c0c1ee6feffa9cd18dd9b97e2c24..cf85b3e52fec533f45f7e7c1590df5069ae289a4 100644
--- a/notebooks/AGIPD/AGIPD_Correct_and_Verify.ipynb
+++ b/notebooks/AGIPD/AGIPD_Correct_and_Verify.ipynb
@@ -41,7 +41,7 @@
     "cal_db_interface = \"tcp://max-exfl-cal001:8015#8045\" # the database interface to use\n",
     "cal_db_timeout = 30000 # in milliseconds\n",
     "creation_date_offset = \"00:00:00\" # add an offset to creation date, e.g. to get different constants\n",
-    "cal_db_root = '/gpfs/exfel/d/cal/caldb_store'  # The calibration database root path to access constant files. For example accessing constants from the test database.\n",
+    "cal_db_root = \"\"  # The calibration database root path to access constant files. e.g. accessing constants from the test database /gpfs/exfel/d/cal_tst/caldb_store.\n",
     "\n",
     "mem_cells = -1  # Number of memory cells used, set to 0 to automatically infer\n",
     "bias_voltage = -1  # bias voltage, set to 0 to use stored value in slow data.\n",
@@ -612,7 +612,7 @@
     "    gain_setting=gain_setting,\n",
     "    event_at=creation_time,\n",
     "    client=rest_cfg.calibration_client(),\n",
-    "    caldb_root=Path(cal_db_root),\n",
+    "    caldb_root=Path(cal_db_root) if cal_db_root else None,\n",
     ")\n",
     "\n",
     "# Prepare lists of expected calibrations\n",