diff --git a/app/assets/javascripts/views/editor/editor_view.ts b/app/assets/javascripts/views/editor/editor_view.ts
index 1379dccd2..8366d1e30 100644
--- a/app/assets/javascripts/views/editor/editor_view.ts
+++ b/app/assets/javascripts/views/editor/editor_view.ts
@@ -1198,7 +1198,7 @@ class EditorViewCtrl extends PureViewCtrl<{}, EditorState> {
       element: editor,
       key: KeyboardKey.Tab,
       onKeyDown: (event) => {
-        if (this.note.locked || event.shiftKey) {
+        if (document.hidden || this.note.locked || event.shiftKey) {
           return;
         }
         event.preventDefault();