diff --git a/src/digital-components/button-question/button-question.vue b/src/digital-components/button-question/button-question.vue
index 5679e96c..55033df7 100644
--- a/src/digital-components/button-question/button-question.vue
+++ b/src/digital-components/button-question/button-question.vue
@@ -31,7 +31,7 @@
                     <div
                         :class="getComponentWrapperClasses"
                         v-for="answer in buttonsInfo"
-                        :key="answer.value ? answer.value : answer">
+                        :key="answer.value ?? answer">
                         <component
                             :is="buttonTypeString"
                             :buttonLabel="answer.buttonLabel"