diff --git a/examples/ntgs_example_1.ipynb b/examples/ntgs_example_1.ipynb
index b5b1a91..bb5703b 100644
--- a/examples/ntgs_example_1.ipynb
+++ b/examples/ntgs_example_1.ipynb
@@ -299,7 +299,7 @@
     "from datetime import datetime\n",
     "nowtime=datetime.now().isoformat(timespec='minutes')\n",
     "model_name=nowtime.replace(\":\",\"-\").replace(\"T\",\"-\")\n",
-    "loop_project_filename = os.path.join(model_name, \"NAM_map.loop3d\")\n",
+    "loop_project_filename = os.path.join(model_name, \"HB_map.loop3d\")\n",
     "\n",
     "t0 = time.time()\n",
     "\n",