diff --git a/chrome/browser/data_sharing/desktop/data_sharing_sdk_delegate_desktop.cc b/chrome/browser/data_sharing/desktop/data_sharing_sdk_delegate_desktop.cc
index 5ff23debd6e05..8da216b8af183 100644
--- a/chrome/browser/data_sharing/desktop/data_sharing_sdk_delegate_desktop.cc
+++ b/chrome/browser/data_sharing/desktop/data_sharing_sdk_delegate_desktop.cc
@@ -150,8 +150,10 @@ void DataSharingSDKDelegateDesktop::MaybeLoadWebContents(
 
   // If the API is already initialized, run the callback here, otherwise add the
   // callback to the queue and run it when `ApiInitComplete` is called.
+  CHECK(web_contents_->GetWebUI());
   DataSharingUI* data_sharing_ui =
-      static_cast<DataSharingUI*>(web_contents_->GetWebUI()->GetController());
+      web_contents_->GetWebUI()->GetController()->GetAs<DataSharingUI>();
+  CHECK(data_sharing_ui);
   if (data_sharing_ui->IsApiInitialized()) {
     std::move(callback).Run(web_contents_.get());
   } else {