diff --git a/lib/src/message_input.dart b/lib/src/message_input.dart
index 0df0c670..db39345f 100644
--- a/lib/src/message_input.dart
+++ b/lib/src/message_input.dart
@@ -967,6 +967,9 @@ class MessageInputState extends State<MessageInput> {
     _debounce = Timer(
       const Duration(milliseconds: 350),
       () {
+        if (!mounted) {
+          return;
+        }
         final s = textEditingController.text;
         StreamChannel.of(context).channel.keyStroke(
               widget.parentMessage?.id,