diff --git a/packages/stream_chat_flutter/lib/src/channel_file_display_screen.dart b/packages/stream_chat_flutter/lib/src/channel_file_display_screen.dart
index a010a500..1bc32bb6 100644
--- a/packages/stream_chat_flutter/lib/src/channel_file_display_screen.dart
+++ b/packages/stream_chat_flutter/lib/src/channel_file_display_screen.dart
@@ -38,7 +38,7 @@ class _ChannelFileDisplayScreenState extends State<ChannelFileDisplayScreen> {
     messageSearchBloc.search(
       filter: {
         'cid': {
-          r'$in': ['messaging:${StreamChannel.of(context).channel.id}']
+          r'$in': [StreamChannel.of(context).channel.cid]
         }
       },
       messageFilter: {