diff --git a/README.md b/README.md
index adc422f..70a93d0 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,7 @@ fastify application hook onClose|Add the fastify onClose application hook|ffoncl
 fastify application hook onRoute|Add the fastify onRoute application hook|ffonroute, hookonroute
 fastify application hook onRegister|Add the fastify onRegister application hook|ffonregister, hookonregister
 fastify add schema|Add a shared JSON schema to fastify|ffaddschema, ffsharedschema, ffjsonschema, ffschema
+fastify not found handler|Add the default 404 not found handler|ffnotfound, ff404
 <!-- ##TOC-BUILDER-END## -->
 
 ## Contribute
diff --git a/snippets/snippets-js.json b/snippets/snippets-js.json
index 0098fbb..3533dd7 100644
--- a/snippets/snippets-js.json
+++ b/snippets/snippets-js.json
@@ -273,5 +273,25 @@
       "fastify.addSchema($0)"
     ],
     "description": "Add a shared JSON schema to fastify"
+  },
+  "fastify not found handler": {
+    "scope": "javascript,typescript",
+    "prefix": [
+      "ffnotfound",
+      "ff404"
+    ],
+    "body": [
+      "fastify.setNotFoundHandler(function basic404(request, reply) {",
+      "  const { url, method } = request.raw",
+      "  const message = `Route ${method}:${url} not found`",
+      "  request.log.info(message)",
+      "  reply.code(404).send({",
+      "    message,",
+      "    error: 'Not Found',",
+      "    statusCode: 404",
+      "  })",
+      "})"
+    ],
+    "description": "Add the default 404 not found handler"
   }
 }
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