diff --git a/curriculum/challenges/english/blocks/lab-book-inventory-app/66a207974c806a19d6607073.md b/curriculum/challenges/english/blocks/lab-book-inventory-app/66a207974c806a19d6607073.md
index 842db012f02..48fa64ba78d 100644
--- a/curriculum/challenges/english/blocks/lab-book-inventory-app/66a207974c806a19d6607073.md
+++ b/curriculum/challenges/english/blocks/lab-book-inventory-app/66a207974c806a19d6607073.md
@@ -54,7 +54,11 @@ assert.equal(document.querySelectorAll('table')?.length, 1);
 Your `table` element should have five columns.
 
 ```js
-assert.equal(document.querySelectorAll('th')?.length, 5);
+const rows = document.querySelectorAll('tr');
+assert.isNotEmpty(rows);
+for (const row of rows) {
+  assert.equal(row.children.length, 5);
+}
 ```
 
 Your first column should have the text `Title` as the heading.