diff --git a/doc/user_guide/Serialization_and_Persistence.ipynb b/doc/user_guide/Serialization_and_Persistence.ipynb
index 8f5917b4..e419c6e4 100644
--- a/doc/user_guide/Serialization_and_Persistence.ipynb
+++ b/doc/user_guide/Serialization_and_Persistence.ipynb
@@ -495,7 +495,7 @@
    "outputs": [],
    "source": [
     "import param.parameterized\n",
-    "param.parameterized.script_repr_suppress_defaults=True"
+    "param.parameterized.script_repr_suppress_defaults=False"
    ]
   },
   {