diff --git a/.github/workflows/frontend-browser-metrics-report.yml b/.github/workflows/frontend-browser-metrics-report.yml
index 7ea8a273ac..992c43a4df 100644
--- a/.github/workflows/frontend-browser-metrics-report.yml
+++ b/.github/workflows/frontend-browser-metrics-report.yml
@@ -118,6 +118,7 @@ jobs:
           FRONTEND_BROWSER_METRICS_SAMPLE_COUNT: 5
           FRONTEND_BROWSER_METRICS_SCENARIO_TIMEOUT_MS: 120000
           FRONTEND_BROWSER_METRICS_SETTLE_MS: 1000
+          MK_ENABLE_CROSS_ORIGIN_ISOLATION: "true"
         run: |
           REPORT_DIR="$RUNNER_TEMP/frontend-browser-metrics-report"
           mkdir -p "$REPORT_DIR"