diff --git a/front/core/components/check/check.js b/front/core/components/check/check.js
index decc2ab8c..9c67cb502 100644
--- a/front/core/components/check/check.js
+++ b/front/core/components/check/check.js
@@ -16,7 +16,7 @@ export default class Controller extends Component {
 
         this._field = value;
 
-        if (this._checkValue !== undefined && this._checkValue !== null)
+        if (typeof this._checkValue === 'boolean')
             this.emit('change', {value: this.field});
 
         this._checkValue = value;