diff --git a/notebook/static/notebook/js/notebook.js b/notebook/static/notebook/js/notebook.js
index 3f9036e8c..19c35f448 100644
--- a/notebook/static/notebook/js/notebook.js
+++ b/notebook/static/notebook/js/notebook.js
@@ -1647,7 +1647,9 @@ import {ShortcutEditor} from 'notebook/js/shortcuteditor';
     Notebook.prototype.render_cell_output = function (code_cell) {
         var cell_data = code_cell.toJSON();
         var cell_index = this.find_cell_index(code_cell);
+        var trusted = code_cell.output_area.trusted;
         this.clear_output(cell_index);
+        code_cell.output_area.trusted = trusted;
         code_cell.fromJSON(cell_data);
     };