diff --git a/shell/platform/darwin/ios/framework/Source/FlutterPlatformViews.mm b/shell/platform/darwin/ios/framework/Source/FlutterPlatformViews.mm
index 551be716b15de..c3c76ec82daa0 100644
--- a/shell/platform/darwin/ios/framework/Source/FlutterPlatformViews.mm
+++ b/shell/platform/darwin/ios/framework/Source/FlutterPlatformViews.mm
@@ -398,7 +398,7 @@ static bool ClipRRectContainsPlatformViewBoundingRect(const SkRRect& clip_rrect,
   views_to_recomposite_.insert(view_id);
 }
 
-size_t FlutterPlatformViewsController::EmbeddedViewCount() {
+size_t FlutterPlatformViewsController::EmbeddedViewCount() const {
   return composition_order_.size();
 }
 
diff --git a/shell/platform/darwin/ios/framework/Source/FlutterPlatformViews_Internal.h b/shell/platform/darwin/ios/framework/Source/FlutterPlatformViews_Internal.h
index 6373e1feaa40c..afda710e7fcce 100644
--- a/shell/platform/darwin/ios/framework/Source/FlutterPlatformViews_Internal.h
+++ b/shell/platform/darwin/ios/framework/Source/FlutterPlatformViews_Internal.h
@@ -234,7 +234,7 @@ class FlutterPlatformViewsController {
   void PrerollCompositeEmbeddedView(int64_t view_id,
                                     std::unique_ptr<flutter::EmbeddedViewParams> params);
 
-  size_t EmbeddedViewCount();
+  size_t EmbeddedViewCount() const;
 
   // Returns the `FlutterPlatformView`'s `view` object associated with the view_id.
   //