diff --git a/.github/workflows/end-to-end-tests.yaml b/.github/workflows/end-to-end-tests.yaml
index 6b9f514871..ba3f38a65e 100644
--- a/.github/workflows/end-to-end-tests.yaml
+++ b/.github/workflows/end-to-end-tests.yaml
@@ -217,17 +217,29 @@ jobs:
               with:
                   pattern: all-blob-reports-*
                   path: all-blob-reports
-                  merge-multiple: true
+
+            # Ideally we'd use merge-multiple=true on download, but it is broken in certain cases
+            # https://github.com/microsoft/playwright/issues/29451
+            - name: Check report integrity
+              if: inputs.skip != true
+              run: |
+                  for file in all-blob-reports/*.zip; do
+                      unzip -t $file
+                  done
+            - name: Merge blob reports
+              if: inputs.skip != true
+              run: for z in all-blob-reports/*.zip; do unar -r "$z" -o all-blob-reports-merged; done
 
             - name: Merge into HTML Report
               if: inputs.skip != true
-              run: yarn playwright merge-reports --reporter=html,json,./playwright/flaky-reporter.ts,./playwright/stale-screenshot-reporter.ts ./all-blob-reports
+              run: yarn playwright merge-reports --reporter=html,json,./playwright/flaky-reporter.ts,./playwright/stale-screenshot-reporter.ts ./all-blob-reports-merged
               env:
                   # Only pass creds to the flaky-reporter on main branch runs
                   GITHUB_TOKEN: ${{ github.ref_name == 'develop' && secrets.ELEMENT_BOT_TOKEN || '' }}
                   PLAYWRIGHT_JSON_OUTPUT_NAME: playwright-results.json
 
             - name: Cache playwright-results.json
+              if: inputs.skip != true
               uses: actions/cache/save@v4
               with:
                   path: playwright-results.json