diff --git a/lib/utils/uia_request_manager.dart b/lib/utils/uia_request_manager.dart
index 56e04852e..4a2736e1c 100644
--- a/lib/utils/uia_request_manager.dart
+++ b/lib/utils/uia_request_manager.dart
@@ -86,7 +86,7 @@ extension UiaRequestManager on MatrixState {
               .tryGetMap<String, Object?>(stage)
               ?.tryGet<String>('url');
           final fallbackUrl = client.homeserver!.replace(
-            path: '/_matrix/client/r0/auth/$stage/fallback/web',
+            path: '/_matrix/client/v3/auth/$stage/fallback/web',
             queryParameters: {
               'session': uiaRequest.session,
             },