diff --git a/js/FlipcardModel.js b/js/FlipcardModel.js
index d139c74..7c0c7c1 100644
--- a/js/FlipcardModel.js
+++ b/js/FlipcardModel.js
@@ -1,4 +1,5 @@
 import ItemsComponentModel from 'core/js/models/itemsComponentModel';
+import logging from 'core/js/logging';
 
 export default class FlipcardModel extends ItemsComponentModel {
 
@@ -9,8 +10,13 @@ export default class FlipcardModel extends ItemsComponentModel {
 
   // This function will set the visited status for particular flipcard item.
   setVisited(index) {
-    const item = this.get('_items')[index];
-    item._isVisited = true;
+    const child = this.getChildren()?.models?.[index] || null;
+    if (!child) {
+      logging.warn(`Flipcard item not found for index '${index}'`);
+      return;
+    }
+
+    child.set('_isVisited', true);
     this.checkCompletionStatus();
   }
 }