diff --git a/chat_downloader/sites/youtube.py b/chat_downloader/sites/youtube.py
index 92f9263..f27fca6 100644
--- a/chat_downloader/sites/youtube.py
+++ b/chat_downloader/sites/youtube.py
@@ -65,6 +65,19 @@ class YouTubeChatDownloader(BaseChatDownloader):

     _SITE_DEFAULT_PARAMS = {
         'format': 'youtube',
+        'message_groups': [
+            'messages',
+            'superchat',
+            'tickers',
+            'banners',
+            'donations',
+            'engagement',
+            'purchases',
+            'mode_changes',
+            'deleted',
+            'bans',
+            'placeholder',
+        ],
     }

     _TESTS = [