diff --git a/lib/mixins/property-effects.html b/lib/mixins/property-effects.html
index 4bb5ea43b4..adfe6e26fc 100644
--- a/lib/mixins/property-effects.html
+++ b/lib/mixins/property-effects.html
@@ -1446,6 +1446,7 @@
             }
           }
         }
+        this.__dataInitialized = true;
       }
 
       /**
@@ -1500,9 +1501,7 @@
        *
        * @protected
        */
-      _readyClients() {
-        this.__dataInitialized = true;
-      }
+      _readyClients() {}
 
       /**
        * Implements `PropertyAccessors`'s properties changed callback.