diff --git a/notebooks/AGIPD/Characterize_AGIPD_Gain_Darks_NBC.ipynb b/notebooks/AGIPD/Characterize_AGIPD_Gain_Darks_NBC.ipynb
index 371720faf4c2559e822358dd4e1d9dd9f008b317..55a2a2f78a61b91913bceaa039b1b37c2e804c9b 100644
--- a/notebooks/AGIPD/Characterize_AGIPD_Gain_Darks_NBC.ipynb
+++ b/notebooks/AGIPD/Characterize_AGIPD_Gain_Darks_NBC.ipynb
@@ -43,7 +43,7 @@
     "sort_runs = True  # Sort the selected dark runs. This flag is added for old data (e.g. 900174 r0011).\n",
     "\n",
     "mem_cells = 0 # number of memory cells used, set to 0 to automatically infer\n",
-    "bias_voltage = 0 # bias voltage, set to 0 to use stored value in slow data.\n",
+    "bias_voltage = 0. # bias voltage, set to 0 to use stored value in slow data.\n",
     "gain_setting = -1  # the gain setting, use -1 to use value stored in slow data.\n",
     "gain_mode = -1  # gain mode, use -1 to use value stored in slow data.\n",
     "integration_time = -1 # integration time, negative values for auto-detection.\n",
diff --git a/notebooks/Jungfrau/Jungfrau_Gain_Correct_and_Verify_NBC.ipynb b/notebooks/Jungfrau/Jungfrau_Gain_Correct_and_Verify_NBC.ipynb
index 37f6eab2042341911ea6a52a2e0a05d6a89488b6..d2b57274640ef493359c271c61c299af2ca64a2e 100644
--- a/notebooks/Jungfrau/Jungfrau_Gain_Correct_and_Verify_NBC.ipynb
+++ b/notebooks/Jungfrau/Jungfrau_Gain_Correct_and_Verify_NBC.ipynb
@@ -50,12 +50,12 @@
     "replace_wrong_gain_value = 0  # Force gain value into the chosen gain [0, 1, or 2] for pixels specified in `wrong_gain_pixels`. This has no effect if wrong_gain_pixels = [-1]\n",
     "\n",
     "# Parameters for retrieving calibration constants\n",
-    "integration_time = -1  # integration time in us. set to -1 to overwrite by value in file.\n",
+    "integration_time = -1.  # integration time in us. set to -1 to overwrite by value in file.\n",
     "exposure_timeout = -1  # Exposure timeout. set to -1 to overwrite by value in file.\n",
     "gain_setting = -1  # 0 for dynamic gain, 1 for dynamic HG0. set to -1 to overwrite by value in file.\n",
     "gain_mode = -1  # 0 for runs with dynamic gain setting, 1 for fixed gain. Set to -1 to overwrite by value in file.\n",
     "mem_cells = -1  # Set mem_cells to -1 to automatically use the value stored in RAW data.\n",
-    "bias_voltage = -1  # Bias Voltage. Set to -1 to overwrite by value in file.\n",
+    "bias_voltage = -1.  # Bias Voltage. Set to -1 to overwrite by value in file.\n",
     "\n",
     "# Parameters for plotting\n",
     "skip_plots = False  # exit after writing corrected files\n",
diff --git a/notebooks/LPDMini/LPD_Mini_Correct.ipynb b/notebooks/LPDMini/LPD_Mini_Correct.ipynb
index 0898a4fdc23eb08282020092a14dd37ef56cfb1f..7e2b27d78dcc524cfb781816783b8a25e9ba33a1 100644
--- a/notebooks/LPDMini/LPD_Mini_Correct.ipynb
+++ b/notebooks/LPDMini/LPD_Mini_Correct.ipynb
@@ -41,8 +41,8 @@
     "cal_db_root = '/gpfs/exfel/d/cal/caldb_store'\n",
     "\n",
     "# Operating conditions\n",
-    "bias_voltage_0 = -1 # bias voltage for minis 1, 3, 5, 7; Setting -1 will read the value from files\n",
-    "bias_voltage_1 = -1 # bias voltage for minis 2, 4, 6, 8; Setting -1 will read the value from files\n",
+    "bias_voltage_0 = -1. # bias voltage for minis 1, 3, 5, 7; Setting -1 will read the value from files\n",
+    "bias_voltage_1 = -1. # bias voltage for minis 2, 4, 6, 8; Setting -1 will read the value from files\n",
     "capacitor = '5pF'  # Capacitor setting: 5pF or 50pF\n",
     "photon_energy = 9.3  # Photon energy in keV.\n",
     "use_cell_order = 'auto'  # Whether to use memory cell order as a detector condition (auto = used only when memory cells wrap around)\n",