diff --git a/app/assets/javascripts/filtered_search/dropdown_utils.js b/app/assets/javascripts/filtered_search/dropdown_utils.js
index 59998c2108c..432b0c0dfd2 100644
--- a/app/assets/javascripts/filtered_search/dropdown_utils.js
+++ b/app/assets/javascripts/filtered_search/dropdown_utils.js
@@ -117,7 +117,7 @@ import FilteredSearchContainer from './container';
           const { isLastVisualTokenValid } =
             gl.FilteredSearchVisualTokens.getLastVisualTokenBeforeInput();
 
-          const input = document.querySelector('.filtered-search');
+          const input = FilteredSearchContainer.container.querySelector('.filtered-search');
           const inputValue = input && input.value;
 
           if (isLastVisualTokenValid) {
diff --git a/spec/features/boards/add_issues_modal_spec.rb b/spec/features/boards/add_issues_modal_spec.rb
index c87c0632cb5..d17a418b8c3 100644
--- a/spec/features/boards/add_issues_modal_spec.rb
+++ b/spec/features/boards/add_issues_modal_spec.rb
@@ -109,6 +109,8 @@ describe 'Issue Boards add issue modal', :feature, :js do
           find('.form-control').native.send_keys(issue.title)
           find('.form-control').native.send_keys(:enter)
 
+          wait_for_vue_resource
+
           expect(page).to have_selector('.card', count: 1)
         end
       end
@@ -118,6 +120,8 @@ describe 'Issue Boards add issue modal', :feature, :js do
           find('.form-control').native.send_keys('testing search')
           find('.form-control').native.send_keys(:enter)
 
+          wait_for_vue_resource
+
           expect(page).not_to have_selector('.card')
           expect(page).not_to have_content("You haven't added any issues to your project yet")
         end