diff --git a/ops/fix_v1771_e2e_wait.py b/ops/fix_v1771_e2e_wait.py
index 8b29654..ce65fb8 100644
--- a/ops/fix_v1771_e2e_wait.py
+++ b/ops/fix_v1771_e2e_wait.py
@@ -2,10 +2,10 @@ from pathlib import Path
 p=Path('tests/app.spec.mjs')
 s=p.read_text(encoding='utf-8')
 old="await page.waitForFunction(()=>Boolean(window.CateriumDataV1771),null,{timeout:5000});"
-new="await page.waitForFunction(()=>Boolean(window.SunPerformance),null,{timeout:10000});await page.evaluate(()=>window.SunPerformance.loadDataLayer());await page.waitForFunction(()=>Boolean(window.CateriumDataV1771),null,{timeout:10000});"
+new="await injectCore(page,'data-layer-v1771.js','CateriumDataV1771');"
 count=s.count(old)
 if count != 2:
     raise SystemExit(f'Expected 2 v17.7.1 loader waits, found {count}')
 s=s.replace(old,new)
 p.write_text(s,encoding='utf-8')
-print('Patched both v17.7.1 E2E loader waits')
+print('Patched both v17.7.1 E2E tests to inject the isolated data layer module')