diff --git a/examples/search-highlighting/index.js b/examples/search-highlighting/index.js
index c5e4d82d5..217856989 100644
--- a/examples/search-highlighting/index.js
+++ b/examples/search-highlighting/index.js
@@ -65,7 +65,14 @@ class SearchHighlighting extends React.Component {
       })
     })
 
-    const change = value.change().setValue({ decorations })
+    // setting the `save` option to false prevents this change from being added
+    // to the undo/redo stack and clearing the redo stack if the user has undone
+    // changes.
+
+    const change = value.change()
+      .setOperationFlag('save', false)
+      .setValue({ decorations })
+      .setOperationFlag('save', true)
     this.onChange(change)
   }