diff --git a/lib/src/message_input.dart b/lib/src/message_input.dart
index 13f8291c..78833c8c 100644
--- a/lib/src/message_input.dart
+++ b/lib/src/message_input.dart
@@ -605,10 +605,10 @@ class MessageInputState extends State<MessageInput> {
   Material _buildAttachmentButton() {
     return Material(
       clipBehavior: Clip.hardEdge,
+      type: MaterialType.transparency,
       shape: RoundedRectangleBorder(
         borderRadius: BorderRadius.circular(32),
       ),
-      color: Colors.transparent,
       child: IconButton(
         onPressed: () {
           showAttachmentModal();