diff --git a/schemas/cluster.json b/schemas/cluster.json
index 04a6139..c6f719a 100644
--- a/schemas/cluster.json
+++ b/schemas/cluster.json
@@ -309,7 +309,8 @@
           "type": [
             "boolean",
             "null"
-          ]
+          ],
+          "default": null
         },
         "authKey": {
           "anyOf": [
diff --git a/schemas/node.json b/schemas/node.json
index de7cc98..f4db77b 100644
--- a/schemas/node.json
+++ b/schemas/node.json
@@ -214,7 +214,8 @@
           "type": [
             "boolean",
             "null"
-          ]
+          ],
+          "default": null
         },
         "authKey": {
           "anyOf": [
diff --git a/src/node.rs b/src/node.rs
index 5f599fb..16fc2fa 100644
--- a/src/node.rs
+++ b/src/node.rs
@@ -40,6 +40,7 @@ enum NodeArch {
 #[serde(rename_all = "camelCase", deny_unknown_fields)]
 struct Tailscale {
     auth_key: Secret,
+    #[serde(default)]
     advertise_routes: bool,
     #[serde(default)]
     server: Option<String>,