diff --git a/src/components/user_card/user_card.vue b/src/components/user_card/user_card.vue
index 013b142d..03c79b49 100644
--- a/src/components/user_card/user_card.vue
+++ b/src/components/user_card/user_card.vue
@@ -93,7 +93,7 @@
         </div>
 
         <div>
-          <button @click="reportUser">
+          <button @click="reportUser" class="btn btn-default btn-block">
             {{ $t('user_card.report') }}
           </button>
         </div>