diff --git a/notebooks/Gotthard2/Correction_Gotthard2_NBC.ipynb b/notebooks/Gotthard2/Correction_Gotthard2_NBC.ipynb
index b7424cb07c6e32c83bb24a08b42d7bcb48073174..38a5d0ed47f9eb3adab268569aaf236768180b11 100644
--- a/notebooks/Gotthard2/Correction_Gotthard2_NBC.ipynb
+++ b/notebooks/Gotthard2/Correction_Gotthard2_NBC.ipynb
@@ -242,7 +242,7 @@
     "\n",
     "# Create the correction receiver name.\n",
     "receiver_names = [f\"*{receiver_template.format(x)}*\" for x in receiver_affixes]\n",
-    "data_sources = sorted(list(run_dc.select(receiver_names).all_sources))\n",
+    "data_sources = list(run_dc.select(receiver_names).all_sources)\n",
     "\n",
     "if not corr_receiver:\n",
     "    # This part assumes this data_source structure: '{karabo_id}/DET/{receiver_name}:{output_channel}'\n",