diff --git a/notebooks/wp3/bias_assessment.ipynb b/notebooks/wp3/bias_assessment.ipynb
index e505682..c611b2e 100644
--- a/notebooks/wp3/bias_assessment.ipynb
+++ b/notebooks/wp3/bias_assessment.ipynb
@@ -228,7 +228,7 @@
     "            units = \"mm/day\"\n",
     "    elif name == \"surface_solar_radiation_downwards\" and units != \"W m**-2\":\n",
     "        match units:\n",
-    "            case \"J m**-1\":\n",
+    "            case \"J m**-2\":\n",
     "                factor = 1 / day_to_s\n",
     "                units = \"W m**-2\"\n",
     "            case _:\n",