diff --git a/apps/common/main/lib/controller/HintManager.js b/apps/common/main/lib/controller/HintManager.js
index 96bdec7f30..a43d1f5e7b 100644
--- a/apps/common/main/lib/controller/HintManager.js
+++ b/apps/common/main/lib/controller/HintManager.js
@@ -606,7 +606,8 @@ Common.UI.HintManager = new(function() {
                                 if (curr.prop('id') === 'btn-go-back' || curr.closest('.btn-slot').prop('id') === 'slot-btn-options' ||
                                     curr.closest('.btn-slot').prop('id') === 'slot-btn-mode' || curr.prop('id') === 'id-btn-favorite' || curr.parent().prop('id') === 'tlb-box-users' ||
                                     curr.prop('id') === 'left-btn-thumbs' || curr.hasClass('scroll') || curr.prop('id') === 'left-btn-about' ||
-                                    curr.prop('id') === 'left-btn-support' || curr.closest('.btn-slot').prop('id') === 'slot-btn-search') {
+                                    curr.prop('id') === 'left-btn-support' || curr.closest('.btn-slot').prop('id') === 'slot-btn-search' ||
+                                    curr.closest('.btn-slot').prop('id') === 'slot-btn-pdf-mode') {
                                     _resetToDefault();
                                     return;
                                 }