diff --git a/engine/src/flutter/lib/ui/platform_dispatcher.dart b/engine/src/flutter/lib/ui/platform_dispatcher.dart
index c42b6336c8c..40814c93a24 100644
--- a/engine/src/flutter/lib/ui/platform_dispatcher.dart
+++ b/engine/src/flutter/lib/ui/platform_dispatcher.dart
@@ -1182,7 +1182,7 @@ class FrameTiming {
     required int buildFinish,
     required int rasterStart,
     required int rasterFinish,
-    int rasterFinishWallTime = -1,
+    required int rasterFinishWallTime,
     int frameNumber = -1,
   }) {
     return FrameTiming._(<int>[
@@ -1191,7 +1191,7 @@ class FrameTiming {
       buildFinish,
       rasterStart,
       rasterFinish,
-      if (rasterFinishWallTime == -1) rasterFinish else rasterFinishWallTime,
+      rasterFinishWallTime,
       frameNumber,
     ]);
   }
diff --git a/engine/src/flutter/lib/web_ui/lib/src/engine/profiler.dart b/engine/src/flutter/lib/web_ui/lib/src/engine/profiler.dart
index d9091f178d4..879902f0462 100644
--- a/engine/src/flutter/lib/web_ui/lib/src/engine/profiler.dart
+++ b/engine/src/flutter/lib/web_ui/lib/src/engine/profiler.dart
@@ -198,6 +198,7 @@ void frameTimingsOnRasterFinish() {
     buildFinish: _buildFinishMicros,
     rasterStart: _rasterStartMicros,
     rasterFinish: _rasterFinishMicros,
+    rasterFinishWallTime: _rasterFinishMicros,
   ));
   _vsyncStartMicros = -1;
   _buildStartMicros = -1;
diff --git a/engine/src/flutter/lib/web_ui/lib/src/ui/platform_dispatcher.dart b/engine/src/flutter/lib/web_ui/lib/src/ui/platform_dispatcher.dart
index 4349858cc3f..b0db81b6ff4 100644
--- a/engine/src/flutter/lib/web_ui/lib/src/ui/platform_dispatcher.dart
+++ b/engine/src/flutter/lib/web_ui/lib/src/ui/platform_dispatcher.dart
@@ -210,7 +210,7 @@ class FrameTiming {
     required int buildFinish,
     required int rasterStart,
     required int rasterFinish,
-    int rasterFinishWallTime = -1,
+    required int rasterFinishWallTime,
     int frameNumber = 1,
   }) {
     return FrameTiming._(<int>[
@@ -219,7 +219,7 @@ class FrameTiming {
       buildFinish,
       rasterStart,
       rasterFinish,
-      if (rasterFinishWallTime == -1) rasterFinish else rasterFinishWallTime,
+      rasterFinishWallTime,
       frameNumber,
     ]);
   }