diff --git a/notebooks/Jungfrau/Jungfrau_Gain_Correct_and_Verify_NBC.ipynb b/notebooks/Jungfrau/Jungfrau_Gain_Correct_and_Verify_NBC.ipynb
index 61ffef34c44542fd7408006a6e96c0b6dfcdc2fb..ca2c87b3240b53b1f371421fbe2c26d430da8f35 100644
--- a/notebooks/Jungfrau/Jungfrau_Gain_Correct_and_Verify_NBC.ipynb
+++ b/notebooks/Jungfrau/Jungfrau_Gain_Correct_and_Verify_NBC.ipynb
@@ -157,8 +157,7 @@
     "print(f\"Processing a total of {total_sequences} sequence files\")\n",
     "table = []\n",
     "fi = 0\n",
-    "# avoid creating a table in case of 0 sequences\n",
-    "if total_sequences:\n",
+    "if total_sequences > 0: # create table\n",
     "    for i, key in enumerate(mapped_files):\n",
     "        for k, f in enumerate(list(mapped_files[key].queue)):\n",
     "            if k == 0:\n",