diff --git a/packages/firebase_ui_oauth/lib/firebase_ui_oauth.dart b/packages/firebase_ui_oauth/lib/firebase_ui_oauth.dart
index 97a93ea1..b555dd22 100644
--- a/packages/firebase_ui_oauth/lib/firebase_ui_oauth.dart
+++ b/packages/firebase_ui_oauth/lib/firebase_ui_oauth.dart
@@ -3,8 +3,13 @@
 // BSD-style license that can be found in the LICENSE file.
 
 export 'package:firebase_auth/firebase_auth.dart' show OAuthCredential;
-export 'package:desktop_webview_auth/desktop_webview_auth.dart'
-    show AuthResult, ProviderArgs;
+
+// Re-export Wasm-compatible libraries instead of `desktop_webview_auth`,
+// which imports `dart:io`.
+// ignore: implementation_imports
+export 'package:desktop_webview_auth/src/auth_result.dart' show AuthResult;
+// ignore: implementation_imports
+export 'package:desktop_webview_auth/src/provider_args.dart' show ProviderArgs;
 export 'package:desktop_webview_auth/google.dart';
 export 'package:desktop_webview_auth/facebook.dart';
 export 'package:desktop_webview_auth/twitter.dart';
diff --git a/packages/firebase_ui_oauth/lib/src/oauth_provider.dart b/packages/firebase_ui_oauth/lib/src/oauth_provider.dart
index fa965830..8a6b9b16 100644
--- a/packages/firebase_ui_oauth/lib/src/oauth_provider.dart
+++ b/packages/firebase_ui_oauth/lib/src/oauth_provider.dart
@@ -7,7 +7,7 @@ import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 import 'package:firebase_ui_oauth/firebase_ui_oauth.dart';
 
 import 'platform_oauth_sign_in.dart'
-    if (dart.library.html) 'platform_oauth_sign_in_web.dart';
+    if (dart.library.js_interop) 'platform_oauth_sign_in_web.dart';
 
 /// A listener of the [OAuthProvider].
 /// See also: