diff --git a/lib/features/mailbox_dashboard/presentation/controller/advanced_filter_controller.dart b/lib/features/mailbox_dashboard/presentation/controller/advanced_filter_controller.dart
index ad3ae9591..a17df92f7 100644
--- a/lib/features/mailbox_dashboard/presentation/controller/advanced_filter_controller.dart
+++ b/lib/features/mailbox_dashboard/presentation/controller/advanced_filter_controller.dart
@@ -192,7 +192,7 @@ class AdvancedFilterController extends GetxController {
 
   void initSearchFilterField(BuildContext context) {
     searchController.updateFilterEmail(
-        mailbox: _mailboxDashBoardController.selectedMailbox.value);
+        mailbox: PresentationMailbox.unifiedMailbox);
     subjectFilterInputController.text =
         StringConvert.writeNullToEmpty(searchEmailFilter.subject);
     hasKeyWordFilterInputController.text = StringConvert.writeNullToEmpty(