diff --git a/notebooks/AGIPD/AGIPD_Correct_and_Verify.ipynb b/notebooks/AGIPD/AGIPD_Correct_and_Verify.ipynb
index 3717cc4e9ea7d649b012b4f2871cd447e9faa575..15581138c66504df3a9121bd1f9d42f6b28a114b 100644
--- a/notebooks/AGIPD/AGIPD_Correct_and_Verify.ipynb
+++ b/notebooks/AGIPD/AGIPD_Correct_and_Verify.ipynb
@@ -631,7 +631,8 @@
     "\n",
     "    if error_missing_constants - set(calibrations):\n",
     "        warning(f\"Offset constant is not available to correct {da}.\")\n",
-    "        mapped_files.remove(module_index_to_qm(mod))\n",
+    "        # Remove module from files to process.\n",
+    "        del mapped_files[module_index_to_qm(mod)]\n",
     "        karabo_da.drop(da)\n",
     "        modules.drop(mod)\n",
     "\n",