diff --git a/examples/needle.ipynb b/examples/needle.ipynb
index 14131b4..06420a7 100644
--- a/examples/needle.ipynb
+++ b/examples/needle.ipynb
@@ -44,7 +44,7 @@
    "source": [
     "session = app.session.create(\"sphere-needle\").init(fixed)\n",
     "param = app.session.param()\n",
-    "param.set(\"frames\", 120);\n",
+    "param.set(\"frames\", 100);\n",
     "param.set(\"area-density\", 1e3).set(\"volume-density\", 1e5);\n",
     "\n",
     "session.start(param).preview();\n",