diff --git a/docs/notebooks/modelbuilder_example.ipynb b/docs/notebooks/modelbuilder_example.ipynb
index 3cda6e92..3202a8dc 100644
--- a/docs/notebooks/modelbuilder_example.ipynb
+++ b/docs/notebooks/modelbuilder_example.ipynb
@@ -815,7 +815,7 @@
    ],
    "source": [
     "# plot converted ERA5 data\n",
-    "file_era5 = os.path.join(dir_output,'ERA5*.nc')\n",
+    "file_era5 = os.path.join(dir_output,'era5*.nc')\n",
     "ds_era5 = xr.open_mfdataset(file_era5)\n",
     "ds_era5\n",
     "\n",