diff --git a/Step/wwwroot/src/app_modules/alarms/components/alarm-detail.vue b/Step/wwwroot/src/app_modules/alarms/components/alarm-detail.vue
index bcb410f1..504e6685 100644
--- a/Step/wwwroot/src/app_modules/alarms/components/alarm-detail.vue
+++ b/Step/wwwroot/src/app_modules/alarms/components/alarm-detail.vue
@@ -39,7 +39,7 @@
       <button class="btn" v-if="false">
         {{'alarm_detail_btn_ask_help' | localize("Chiedi Aiuto")}}
       </button>
-      <button class="btn btn-success" :disabled="checkSecurityDisabled('alarmCmd')  || alarm.status == 'deleted'" @click="refresh()">
+      <button class="btn btn-success" v-if="alarm.source === 'PLC'" :disabled="checkSecurityDisabled('alarmCmd')  || alarm.status == 'deleted'" @click="refresh()">
         {{'alarm_detail_btn_refresh' | localize("Refresh")}}
       </button>
     </div>