diff --git a/packages/playwright-core/src/server/chromium/crPage.ts b/packages/playwright-core/src/server/chromium/crPage.ts
index ac6e9d37df..002dfa09be 100644
--- a/packages/playwright-core/src/server/chromium/crPage.ts
+++ b/packages/playwright-core/src/server/chromium/crPage.ts
@@ -898,7 +898,7 @@ class FrameSession {
     const buffer = Buffer.from(payload.data, 'base64');
     this._page.emit(Page.Events.ScreencastFrame, {
       buffer,
-      timestamp: payload.metadata.timestamp ? payload.metadata.timestamp * 1000 : undefined,
+      frameSwapWallTime: payload.metadata.timestamp ? payload.metadata.timestamp * 1000 : undefined,
       width: payload.metadata.deviceWidth,
       height: payload.metadata.deviceHeight,
     });
diff --git a/packages/playwright-core/src/server/trace/recorder/tracing.ts b/packages/playwright-core/src/server/trace/recorder/tracing.ts
index f72c97709f..b09bbe3134 100644
--- a/packages/playwright-core/src/server/trace/recorder/tracing.ts
+++ b/packages/playwright-core/src/server/trace/recorder/tracing.ts
@@ -473,7 +473,7 @@ export class Tracing extends SdkObject implements InstrumentationListener, Snaps
             width: params.width,
             height: params.height,
             timestamp: monotonicTime(),
-            frameSwapWallTime: params.timestamp,
+            frameSwapWallTime: params.frameSwapWallTime,
           };
           // Make sure to write the screencast frame before adding a reference to it.
           this._appendResource(sha1, params.buffer);