diff --git a/src/AvCheckbox.js b/src/AvCheckbox.js
index 78c8e51..05c4bec 100644
--- a/src/AvCheckbox.js
+++ b/src/AvCheckbox.js
@@ -32,7 +32,7 @@ export default class AvCheckbox extends Component {
   };
 
   isDefaultChecked(valueArr) {
-    return Array.isArray(valueArr) && valueArr.length > 0 && find(valueArr, item => item === this.props.value);
+    return Array.isArray(valueArr) && valueArr.length > 0 && !!find(valueArr,item => item === this.props.value);
   }
 
   render() {