diff --git a/tests/platform/anchor/anchor.spec.ts b/tests/platform/anchor/anchor.spec.ts
index 243315c0..3039ac76 100644
--- a/tests/platform/anchor/anchor.spec.ts
+++ b/tests/platform/anchor/anchor.spec.ts
@@ -14,4 +14,8 @@ test('anchor', async ({ page }) => {
   await page.waitForSelector('.testCreateAnchorAppend');
   const testCreateAnchorAppend = page.locator('#testCreateAnchorAppend');
   await expect(testCreateAnchorAppend).toHaveText('/platform/anchor/append-child');
+
+  await page.waitForSelector('.testInnerHtmlFirstChild');
+  const testInnerHtmlFirstChild = page.locator('#testInnerHtmlFirstChild');
+  await expect(testInnerHtmlFirstChild).toHaveText('#');
 });
diff --git a/tests/platform/anchor/index.html b/tests/platform/anchor/index.html
index e02bda2d..b2eb68da 100644
--- a/tests/platform/anchor/index.html
+++ b/tests/platform/anchor/index.html
@@ -51,7 +51,7 @@
       }
     </style>
   </head>
-  <body >
+  <body>
     <h1>Anchor</h1>
 
     <ul>
@@ -99,6 +99,24 @@ <h1>Anchor</h1>
         </script>
       </li>
 
+      <li>
+        <strong>innerHTML firstChild</strong>
+        <div id="testInnerHtmlFirstChild"></div>
+        <script type="text/partytown">
+          (function () {
+            const elm = document.getElementById('testInnerHtmlFirstChild');
+
+            const div = document.createElement('div');
+            div.innerHTML = "<a href='#'></a>";
+
+            const firstChild = div.firstChild;
+            const href = firstChild.getAttribute('href');
+
+            elm.textContent = href;
+            elm.className = 'testInnerHtmlFirstChild';
+          })();
+        </script>
+      </li>
     </ul>
 
     <hr />
