diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6f0fb00..e63b662 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -289,8 +289,9 @@ jobs:
       - name: Fetch the framework's browser test harness
         working-directory: site
         run: |
-          version=$(ddev composer show pollora/framework --format=json | jq -r '.versions[0]')
-          ref=$([ "$version" = "dev-develop" ] && echo develop || echo "$version")
+          # develop is aliased (13.x-dev), so dev-develop is not always the first version listed.
+          ref=$(ddev composer show pollora/framework --format=json \
+            | jq -r '.versions | if index("dev-develop") then "develop" else .[0] end')
           echo "Harness from pollora/framework@$ref"
           git clone --quiet --depth 1 --branch "$ref" https://github.com/Pollora/framework.git ../framework
           mkdir -p ../framework/tests/e2e/specs/apiary
diff --git a/app/inc/woocommerce/core.php b/app/inc/woocommerce/core.php
index a78eb79..6430381 100644
--- a/app/inc/woocommerce/core.php
+++ b/app/inc/woocommerce/core.php
@@ -22,3 +22,11 @@ function is_woocommerce_activated(): bool
         return class_exists('woocommerce');
     }
 }
+
+// The layout already opens div#primary and main#main; WooCommerce's default
+// wrapper opened them a second time on every shop page: two main landmarks,
+// two elements with the same id.
+Action::add('woocommerce_init', function () {
+    Action::remove('woocommerce_before_main_content', 'woocommerce_output_content_wrapper', 10, 0);
+    Action::remove('woocommerce_after_main_content', 'woocommerce_output_content_wrapper_end', 10, 0);
+});
diff --git a/bin/tests/e2e/shop.spec.ts b/bin/tests/e2e/shop.spec.ts
index 58c0f2f..535c2a1 100644
--- a/bin/tests/e2e/shop.spec.ts
+++ b/bin/tests/e2e/shop.spec.ts
@@ -162,3 +162,20 @@ test('a product search finds the product', async ({ page }) => {
 
     expect(errors, 'no uncaught page error').toEqual([]);
 });
+
+test('each shop page has one main landmark', async ({ page }) => {
+    // The layout opens main#main; WooCommerce's default content wrapper opened a second one
+    // inside it, with the same id, on every page it renders.
+    const pages = {
+        'product grid': wp('eval', `echo get_term_link(${category.id}, "product_cat");`),
+        'product page': simple.permalink,
+        'product search': homeUrl('/?s=E2E&post_type=product'),
+        cart: cartUrl,
+    };
+
+    for (const [name, url] of Object.entries(pages)) {
+        await page.goto(url);
+        await expect(page.locator('main'), `${name}: main elements`).toHaveCount(1);
+        await expect(page.locator('[id="main"]'), `${name}: elements with id="main"`).toHaveCount(1);
+    }
+});