diff --git a/app/assets/javascripts/discourse/app/widgets/quick-access-bookmarks.js b/app/assets/javascripts/discourse/app/widgets/quick-access-bookmarks.js
index c7ec173d1e..e58b40f2f7 100644
--- a/app/assets/javascripts/discourse/app/widgets/quick-access-bookmarks.js
+++ b/app/assets/javascripts/discourse/app/widgets/quick-access-bookmarks.js
@@ -70,7 +70,7 @@ createWidgetFrom(QuickAccessPanel, "quick-access-bookmarks", {
       href,
       title: bookmark.name,
       content: bookmark.title,
-      username: bookmark.user.username,
+      username: bookmark.user?.username,
     });
   },
 
diff --git a/app/assets/javascripts/discourse/tests/integration/components/widgets/quick-access-item-test.js b/app/assets/javascripts/discourse/tests/integration/components/widgets/quick-access-item-test.js
index 9e3dbb2616..4b17281f38 100644
--- a/app/assets/javascripts/discourse/tests/integration/components/widgets/quick-access-item-test.js
+++ b/app/assets/javascripts/discourse/tests/integration/components/widgets/quick-access-item-test.js
@@ -32,5 +32,21 @@ module(
       const contentDiv = query(CONTENT_DIV_SELECTOR);
       assert.strictEqual(contentDiv.innerText, '"quote"');
     });
+
+    test("Renders the notification content with no username when username is not present", async function (assert) {
+      this.set("args", {
+        content: "content",
+        username: undefined,
+      });
+
+      await render(
+        hbs`<MountWidget @widget="quick-access-item" @args={{this.args}} />`
+      );
+
+      const contentDiv = query(CONTENT_DIV_SELECTOR);
+      const usernameSpan = query("li a div span");
+      assert.strictEqual(contentDiv.innerText, "content");
+      assert.strictEqual(usernameSpan.innerText, "");
+    });
   }
 );