diff --git a/lib/src/standalone_input_control.dart b/lib/src/standalone_input_control.dart
index 84fcf48..47520bf 100644
--- a/lib/src/standalone_input_control.dart
+++ b/lib/src/standalone_input_control.dart
@@ -41,6 +41,7 @@ class StandaloneInputControl with TextInputControl {
 
   @override
   void attach(TextInputClient client, TextInputConfiguration configuration) {
+    if (configuration.readOnly) return;
     _client = client;
     _currentValue = client.currentTextEditingValue ?? TextEditingValue.empty;
     _configuration = configuration;