diff --git a/Neos.Neos/NodeTypes/Mixin/Site.yaml b/Neos.Neos/NodeTypes/Mixin/Site.yaml
index c2d38ef77a3..af00674d1c5 100644
--- a/Neos.Neos/NodeTypes/Mixin/Site.yaml
+++ b/Neos.Neos/NodeTypes/Mixin/Site.yaml
@@ -8,3 +8,8 @@
   abstract: true
   superTypes:
     'Neos.Neos:Document': true
+  properties:
+    uriPathSegment:
+      ui:
+        inspector:
+          hidden: true
diff --git a/Neos.Neos/Resources/Private/Schema/NodeTypes.schema.yaml b/Neos.Neos/Resources/Private/Schema/NodeTypes.schema.yaml
index f06b5fbbd7c..72d650e7d87 100755
--- a/Neos.Neos/Resources/Private/Schema/NodeTypes.schema.yaml
+++ b/Neos.Neos/Resources/Private/Schema/NodeTypes.schema.yaml
@@ -52,7 +52,7 @@ additionalProperties:
                         additionalProperties: false
                         properties:
 
-                          'hidden': { type: ['string', 'null'], description: 'Option to hide a property.' }
+                          'hidden': { type: ['string', 'boolean', 'null'], description: 'Option to hide a property.' }
 
                           'group': { type: ['string', 'null'], description: 'Identifier of the inspector group in which this property should be edited. If not set, will not appear in inspector at all.' }