diff --git a/packages/playwright-crawler/src/internals/utils/playwright-utils.ts b/packages/playwright-crawler/src/internals/utils/playwright-utils.ts
index a3c921b5d6d3..774785bd99ad 100644
--- a/packages/playwright-crawler/src/internals/utils/playwright-utils.ts
+++ b/packages/playwright-crawler/src/internals/utils/playwright-utils.ts
@@ -613,15 +613,28 @@ export async function parseWithCheerio(
 ): Promise<CheerioRoot> {
     ow(page, ow.object.validate(validators.browserPage));
 
+    const html = ignoreShadowRoots
+        ? null
+        : ((await page.evaluate(`(${expandShadowRoots.toString()})(document)`)) as string);
+    const pageContent = html || (await page.content());
+    const $ = cheerio.load(pageContent);
+
     if (page.frames().length > 1 && !ignoreIframes) {
         const frames = await page.$$('iframe');
+        const cheerioIframes = $('iframe').toArray();
+
+        if (frames.length !== cheerioIframes.length) {
+            log.warning(
+                `parseWithCheerio: iframe count mismatch between live DOM (${frames.length}) and page snapshot (${cheerioIframes.length}). Some iframes may not be expanded.`,
+            );
+        }
 
         await Promise.all(
-            frames.map(async (frame) => {
+            frames.map(async (frame, index) => {
                 try {
                     const iframe = await frame.contentFrame();
 
-                    if (iframe) {
+                    if (iframe && cheerioIframes[index]) {
                         const getIframeHTML = async (): Promise<string> => {
                             try {
                                 return iframe.locator('body').first().innerHTML();
@@ -631,14 +644,9 @@ export async function parseWithCheerio(
                         };
 
                         const contents = await getIframeHTML();
-
-                        await frame.evaluate((f, c) => {
-                            const replacementNode = document.createElement('div');
-                            replacementNode.innerHTML = c;
-                            replacementNode.className = 'crawlee-iframe-replacement';
-
-                            f.replaceWith(replacementNode);
-                        }, contents);
+                        $(cheerioIframes[index]).replaceWith(
+                            `<div class="crawlee-iframe-replacement">${contents}</div>`,
+                        );
                     }
                 } catch (error) {
                     log.warning(`Failed to extract iframe content: ${error}`);
@@ -647,12 +655,7 @@ export async function parseWithCheerio(
         );
     }
 
-    const html = ignoreShadowRoots
-        ? null
-        : ((await page.evaluate(`(${expandShadowRoots.toString()})(document)`)) as string);
-    const pageContent = html || (await page.content());
-
-    return cheerio.load(pageContent);
+    return $;
 }
 
 let idcacPlaywright: null | { getInjectableScript: () => string } = null;
diff --git a/test/core/playwright_utils.test.ts b/test/core/playwright_utils.test.ts
index a91f7ed6115c..d17eeebe9c40 100644
--- a/test/core/playwright_utils.test.ts
+++ b/test/core/playwright_utils.test.ts
@@ -185,6 +185,25 @@ describe('playwrightUtils', () => {
         }
     });
 
+    test('parseWithCheerio() iframe expansion works with Trusted Types CSP', async () => {
+        const browser = await launchPlaywright(launchContext);
+
+        try {
+            const page = await browser.newPage();
+            await page.goto(new URL('/special/outside-iframe-csp', serverAddress).toString());
+
+            const $ = await playwrightUtils.parseWithCheerio(page);
+
+            const headings = $('h1')
+                .map((_, el) => $(el).text())
+                .get();
+
+            expect(headings).toEqual(['Outside iframe', 'In iframe']);
+        } finally {
+            await browser.close();
+        }
+    });
+
     describe('blockRequests()', () => {
         let browser: Browser = null as any;
         beforeAll(async () => {
diff --git a/test/shared/_helper.ts b/test/shared/_helper.ts
index 8c275ea9d17e..b0ac71cf26c7 100644
--- a/test/shared/_helper.ts
+++ b/test/shared/_helper.ts
@@ -320,6 +320,11 @@ export async function runExampleComServer(): Promise<[Server, number]> {
             res.type('html').send(responseSamples.outsideIframe);
         });
 
+        special.get('/outside-iframe-csp', (_req, res) => {
+            res.setHeader('Content-Security-Policy', "require-trusted-types-for 'script'");
+            res.type('html').send(responseSamples.outsideIframe);
+        });
+
         special.get('/inside-iframe', (_req, res) => {
             res.type('html').send(responseSamples.insideIframe);
         });