diff --git a/README.md b/README.md
index 6ce343e..e0d0472 100644
--- a/README.md
+++ b/README.md
@@ -55,7 +55,11 @@ export default class Container extends Component {
     return (
       <ControlledInput
        // filter only numberic characters
-        onChangeText={(value) => this.setState({ value: value.replace(/\D/g, '') })}
+        onChangeText={(value) => {
+          const newValue = value.replace(/\D/g, '');
+          this.setState({ value: newValue });
+          return newValue; // must return a value
+          }
         value={this.state.value}
         style={{ width: 300, height: 70, borderWidth: 1 }}
       />
diff --git a/index.js b/index.js
index 541956e..34cd65d 100644
--- a/index.js
+++ b/index.js
@@ -91,7 +91,9 @@ export class ControlledInput extends PureComponent {
     const nextSelection = this.getNextSelection(value, nextValue, selection);
     this.setState({ selection: nextSelection });
     if (onChangeText) {
-      onChangeText(nextValue);
+      const _nextValue = onChangeText(nextValue);
+      const _nextSelection = this.getNextSelection(nextValue, _nextValue, nextSelection);
+      this.setState({selection: _nextSelection});
     }
     return this.props.onKeyPress && this.props.onKeyPress(event);
   }