diff --git a/packages/html-reporter/tsconfig.json b/packages/html-reporter/tsconfig.json
index 93a8b7cbd0..4fe82eab4e 100644
--- a/packages/html-reporter/tsconfig.json
+++ b/packages/html-reporter/tsconfig.json
@@ -4,7 +4,7 @@
     "useDefineForClassFields": true,
     "lib": ["DOM", "DOM.Iterable", "ESNext"],
     "allowJs": true,
-    "skipLibCheck": false,
+    "skipLibCheck": true,
     "esModuleInterop": false,
     "allowSyntheticDefaultImports": true,
     "strict": true,
diff --git a/packages/playwright/src/reporters/html.ts b/packages/playwright/src/reporters/html.ts
index 038bb96e27..a660b2b671 100644
--- a/packages/playwright/src/reporters/html.ts
+++ b/packages/playwright/src/reporters/html.ts
@@ -361,7 +361,8 @@ class HtmlBuilder {
         botName,
         location,
         duration,
-        annotations: test.annotations,
+        // Annotations can be pushed directly, with a wrong type.
+        annotations: test.annotations.map(a => ({ type: a.type, description: a.description ? String(a.description) : a.description })),
         outcome: test.outcome(),
         path,
         results,
@@ -374,7 +375,8 @@ class HtmlBuilder {
         botName,
         location,
         duration,
-        annotations: test.annotations,
+        // Annotations can be pushed directly, with a wrong type.
+        annotations: test.annotations.map(a => ({ type: a.type, description: a.description ? String(a.description) : a.description })),
         outcome: test.outcome(),
         path,
         ok: test.outcome() === 'expected' || test.outcome() === 'flaky',