diff --git a/lot/x/page/about.page b/lot/x/page/about.page
index d4f5529a..2ef614ad 100644
--- a/lot/x/page/about.page
+++ b/lot/x/page/about.page
@@ -3,7 +3,7 @@ title: Page
 description: Convert file and folder structure into web pages.
 author: Taufik Nurrohman
 type: Markdown
-version: 1.12.2
+version: 1.12.3
 
 use:
   '.\lot\x\layout': 1
diff --git a/lot/x/page/engine/kernel/page.php b/lot/x/page/engine/kernel/page.php
index 934b2054..30e47d71 100644
--- a/lot/x/page/engine/kernel/page.php
+++ b/lot/x/page/engine/kernel/page.php
@@ -54,7 +54,8 @@ public function __toString() {
     }
 
     public function ID(...$lot) {
-        return $this->_get('id', $lot) ?? (($t = $this->time()->format('U')) ? sprintf('%u', $t) : null);
+        $id = $this->_get('id', $lot) ?? (($t = $this->time()->format('U')) ? sprintf('%u', $t) : null);
+        return is_string($id) && is_numeric($id) ? (int) $id : $id;
     }
 
     // Inherit to `File::URL()`