diff --git a/td/generate/scheme/telegram_api.tl b/td/generate/scheme/telegram_api.tl
index 400076449..8ac37eaab 100644
--- a/td/generate/scheme/telegram_api.tl
+++ b/td/generate/scheme/telegram_api.tl
@@ -1338,7 +1338,7 @@ photos.deletePhotos#87cf7f2f id:Vector<InputPhoto> = Vector<long>;
 photos.getUserPhotos#91cd32a8 user_id:InputUser offset:int max_id:long limit:int = photos.Photos;
 
 upload.saveFilePart#b304a621 file_id:long file_part:int bytes:bytes = Bool;
-upload.getFile#b15a9afc flags:# precise:flags.0?true location:InputFileLocation offset:int limit:int = upload.File;
+upload.getFile#b15a9afc flags:# precise:flags.0?true cdn_supported:flags.1?true location:InputFileLocation offset:int limit:int = upload.File;
 upload.saveBigFilePart#de7b673d file_id:long file_part:int file_total_parts:int bytes:bytes = Bool;
 upload.getWebFile#24e6818d location:InputWebFileLocation offset:int limit:int = upload.WebFile;
 upload.getCdnFile#2000bcc3 file_token:bytes offset:int limit:int = upload.CdnFile;
diff --git a/td/generate/scheme/telegram_api.tlo b/td/generate/scheme/telegram_api.tlo
index 35ba7fcb8..c4dd03ab6 100644
Binary files a/td/generate/scheme/telegram_api.tlo and b/td/generate/scheme/telegram_api.tlo differ
diff --git a/td/telegram/files/FileDownloader.cpp b/td/telegram/files/FileDownloader.cpp
index be89d1153..317b21bed 100644
--- a/td/telegram/files/FileDownloader.cpp
+++ b/td/telegram/files/FileDownloader.cpp
@@ -237,13 +237,19 @@ Result<std::pair<NetQueryPtr, bool>> FileDownloader::start_part(Part part, int32
 
   NetQueryPtr net_query;
   if (!use_cdn_) {
+    int32 flags = 0;
+#if !TD_EMSCRIPTEN
+    // CDN is supported, unless we use domains instead of IPs from a browser
+    flags |= telegram_api::upload_getFile::CDN_SUPPORTED_MASK;
+#endif
     DcId dc_id = remote_.is_web() ? G()->get_webfile_dc_id() : remote_.get_dc_id();
     net_query = G()->net_query_creator().create(
         UniqueId::next(UniqueId::Type::Default, static_cast<uint8>(QueryType::Default)),
         remote_.is_web()
             ? create_storer(telegram_api::upload_getWebFile(remote_.as_input_web_file_location(),
                                                             static_cast<int32>(part.offset), static_cast<int32>(size)))
-            : create_storer(telegram_api::upload_getFile(0, false /*ignored*/, remote_.as_input_file_location(),
+            : create_storer(telegram_api::upload_getFile(flags, false /*ignored*/, false /*ignored*/,
+                                                         remote_.as_input_file_location(),
                                                          static_cast<int32>(part.offset), static_cast<int32>(size))),
         dc_id, is_small_ ? NetQuery::Type::DownloadSmall : NetQuery::Type::Download);
   } else {