diff --git a/lib/pages/chat/chat.dart b/lib/pages/chat/chat.dart
index ab7759198c..aa52f2a6de 100644
--- a/lib/pages/chat/chat.dart
+++ b/lib/pages/chat/chat.dart
@@ -635,6 +635,7 @@ class ChatController extends State<ChatPageWithRoom>
           ...file.info,
           'duration': result.duration,
         },
+        'org.matrix.msc3245.voice': {},
         'org.matrix.msc1767.audio': {
           'duration': result.duration,
           'waveform': result.waveform,