diff --git a/core-animated-pages.html b/core-animated-pages.html
index 4f102f1..948e117 100644
--- a/core-animated-pages.html
+++ b/core-animated-pages.html
@@ -272,7 +272,12 @@
      * @type Object
      * @default null
      */
-    lastSelected: null,
+    publish: {
+        lastSelected: {
+            value: null,
+            reflect: true
+        },
+    },
 
     registerCallback: function() {
       this.tmeta = document.createElement('core-transition');