diff --git a/.jp_app_launcher_stellarphot.yaml b/.jp_app_launcher_stellarphot.yaml
index 2231f776..6e67a623 100644
--- a/.jp_app_launcher_stellarphot.yaml
+++ b/.jp_app_launcher_stellarphot.yaml
@@ -54,7 +54,7 @@
 
 - title: Initial exoplanet model
   description: Do an initial fit to a transit
-  source: ../stellarphot/tess-intial-model-fit.ipynb
+  source: ../stellarphot/tess-initial-model-fit.ipynb
   icon: ../stellarphot/stellarphot-logo.svg
   cwd: not_used
   type: notebook
diff --git a/stellarphot/notebooks/tess-intial-model-fit.ipynb b/stellarphot/notebooks/tess-initial-model-fit.ipynb
similarity index 97%
rename from stellarphot/notebooks/tess-intial-model-fit.ipynb
rename to stellarphot/notebooks/tess-initial-model-fit.ipynb
index 6340166d..6dfac6d7 100644
--- a/stellarphot/notebooks/tess-intial-model-fit.ipynb
+++ b/stellarphot/notebooks/tess-initial-model-fit.ipynb
@@ -69,6 +69,16 @@
     "### Get just the target star and some information about it"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "if np.isnan(inp_photometry['bjd']).all():\n",
+    "    inp_photometry.add_bjd_col()\n"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -198,7 +208,7 @@
     "binned2 = aggregate_downsample(ts2, time_bin_size=model_options.bin_size * u.min, aggregate_func=add_quad)\n",
     "\n",
     "binned[\"normalized_flux_error\"] = binned2[\"normalized_flux_error\"]\n",
-    "# binned_time = BinnedTimeSeries(photometry['bjd'], time_bin_start=first_time, time_bin_end=last_time, time_bin_size=bin_size)"
+    "binned = binned[~np.isnan(binned[\"normalized_flux\"])]"
    ]
   },
   {
@@ -389,7 +399,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.8"
+   "version": "3.11.9"
   }
  },
  "nbformat": 4,