diff --git a/notebooks/AGIPD/Characterize_AGIPD_Gain_Darks_NBC.ipynb b/notebooks/AGIPD/Characterize_AGIPD_Gain_Darks_NBC.ipynb
index 2472caf185618b60c174f550cc8db276e74903aa..3ec5d340919fe9506135d328488efdf8b4fc3477 100644
--- a/notebooks/AGIPD/Characterize_AGIPD_Gain_Darks_NBC.ipynb
+++ b/notebooks/AGIPD/Characterize_AGIPD_Gain_Darks_NBC.ipynb
@@ -72,9 +72,10 @@
     "high_res_badpix_3d = False # set this to True if you need high-resolution 3d bad pixel plots. ~7mins extra time for 64 memory cells\n",
     "\n",
     "# This is used if modules is not specified:\n",
-    "def find_modules(in_folder, run_high, karabo_da):\n",
-    "    if (karabo_da is not None) and karabo_da != ['-1']:\n",
-    "        return karabo_da\n",
+    "def find_modules(in_folder, run_high, modules):\n",
+    "    if (modules is not None) and modules != [-1]:\n",
+    "        return modules\n",
+    "\n",
     "    from pathlib import Path\n",
     "    import re\n",
     "    das = set()\n",
@@ -1108,7 +1109,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.8"
+   "version": "3.8.11"
   }
  },
  "nbformat": 4,