diff --git a/packages/notebook-extension/schema/tracker.json b/packages/notebook-extension/schema/tracker.json
index 151c08e029c0..c8f9b8d5cc9d 100644
--- a/packages/notebook-extension/schema/tracker.json
+++ b/packages/notebook-extension/schema/tracker.json
@@ -675,7 +675,7 @@
       "title": "Notify about code execution if kernel is initializing",
       "description": "Display notification if code cells are run while kernel is initializing.",
       "type": "boolean",
-      "default": false
+      "default": true
     },
     "codeCellConfig": {
       "title": "Code Cell Configuration",