diff --git a/notebooks/NBxxxxx_SBRA.ipynb b/notebooks/NBxxxxx_SBRA.ipynb
index 3dee2f7..480420d 100644
--- a/notebooks/NBxxxxx_SBRA.ipynb
+++ b/notebooks/NBxxxxx_SBRA.ipynb
@@ -578,7 +578,7 @@
     "if name:\n",
     "    single_payload = create_single_payload(multi_vibration_payload, name=name)\n",
     "    result = client.call_endpoint(\n",
-    "        \"VibraCore\", f\"/{methode.lower()}/validation/single\", single_payload\n",
+    "        \"VibraCore\", f\"/{methode.lower()}/validation/single\", schema=single_payload\n",
     "    )\n",
     "    plot_reduction(result, sensitive=True);"
    ]
@@ -594,7 +594,7 @@
     "if name:\n",
     "    single_payload = create_single_payload(multi_vibration_payload, name=name)\n",
     "    result = client.call_endpoint(\n",
-    "        \"VibraCore\", f\"/{methode.lower()}/validation/single\", single_payload\n",
+    "        \"VibraCore\", f\"/{methode.lower()}/validation/single\", schema=single_payload\n",
     "    )\n",
     "    plot_reduction(result, sensitive=True);"
    ]