diff --git a/packages/stream_chat_flutter/CHANGELOG.md b/packages/stream_chat_flutter/CHANGELOG.md
index 8980e7af..135ee46c 100644
--- a/packages/stream_chat_flutter/CHANGELOG.md
+++ b/packages/stream_chat_flutter/CHANGELOG.md
@@ -2,8 +2,9 @@
 
 🐞 Fixed
 
-- SVG rendering fixes
-- Use file extension instead of mimeType for downloading files
+- SVG rendering fixes.
+- Use file extension instead of mimeType for downloading files.
+- [[#860]](https://github.com/GetStream/stream-chat-flutter/issues/860) CastError while compressing Videos.
 
 ✅ Added
 
@@ -23,7 +24,7 @@
 
 🐞 Fixed
 
-- [[#766]]`AttachmentActionsModal` now has customisation options for actions.
+- [[#766]](https://github.com/GetStream/stream-chat-flutter/issues/766) `AttachmentActionsModal` now has customisation options for actions.
 - Fixed `MessageWidget` null errors associated with `channel.memberCount`.
 - Fixed adding attachments on web.
 - [[#767]](https://github.com/GetStream/stream-chat-flutter/issues/767): Fix `MessageInput` focus behaviour when sending messages.
diff --git a/packages/stream_chat_flutter/lib/src/message_input.dart b/packages/stream_chat_flutter/lib/src/message_input.dart
index de2b9d09..a43359ee 100644
--- a/packages/stream_chat_flutter/lib/src/message_input.dart
+++ b/packages/stream_chat_flutter/lib/src/message_input.dart
@@ -1129,13 +1129,14 @@ class MessageInputState extends State<MessageInput> {
 
     if (file.size! > widget.maxAttachmentSize) {
       if (medium.type == AssetType.video && file.path != null) {
-        final mediaInfo = await (VideoService.compressVideo(
+        final mediaInfo = await VideoService.compressVideo(
           file.path!,
           frameRate: widget.compressedVideoFrameRate,
           quality: widget.compressedVideoQuality,
-        ) as FutureOr<MediaInfo>);
+        );
 
-        if (mediaInfo.filesize! > widget.maxAttachmentSize) {
+        if (mediaInfo == null ||
+            mediaInfo.filesize! > widget.maxAttachmentSize) {
           _showErrorAlert(
             context.translations.fileTooLargeAfterCompressionError(
               widget.maxAttachmentSize / (1024 * 1024),