diff --git a/shell/browser/osr/osr_render_widget_host_view.cc b/shell/browser/osr/osr_render_widget_host_view.cc
index 471cc29b94b4..18bc2b08d51e 100644
--- a/shell/browser/osr/osr_render_widget_host_view.cc
+++ b/shell/browser/osr/osr_render_widget_host_view.cc
@@ -222,7 +222,6 @@ OffScreenRenderWidgetHostView::OffScreenRenderWidgetHostView(
 
   ResizeRootLayer(false);
   render_widget_host_->SetView(this);
-  InstallTransparency();
 
   if (content::GpuDataManager::GetInstance()->HardwareAccelerationEnabled()) {
     video_consumer_ = std::make_unique<OffScreenVideoConsumer>(
diff --git a/shell/browser/osr/osr_web_contents_view.cc b/shell/browser/osr/osr_web_contents_view.cc
index 0b97193b4a6d..79e736dfee96 100644
--- a/shell/browser/osr/osr_web_contents_view.cc
+++ b/shell/browser/osr/osr_web_contents_view.cc
@@ -143,7 +143,10 @@ OffScreenWebContentsView::CreateViewForChildWidget(
 
 void OffScreenWebContentsView::SetPageTitle(const base::string16& title) {}
 
-void OffScreenWebContentsView::RenderViewReady() {}
+void OffScreenWebContentsView::RenderViewReady() {
+  if (GetView())
+    GetView()->InstallTransparency();
+}
 
 void OffScreenWebContentsView::RenderViewHostChanged(
     content::RenderViewHost* old_host,