diff --git a/Step.Utils/Constants.cs b/Step.Utils/Constants.cs
index cd4e6b4b..8dbc535c 100644
--- a/Step.Utils/Constants.cs
+++ b/Step.Utils/Constants.cs
@@ -88,7 +88,7 @@ namespace Step.Utils
         public const string BROADCAST_DATA = "BROADCAST_DATA";
 
         // ID prefix
-        public const string MAINTENANCE_PREFIX_ID = "MAINT_";
+        public const string MAINTENANCE_PREFIX_ID = "maintenance_";
 
         // Maintenances types
         public const string MAINT_MACHINE_INTERVAL_TYPE = "machine_interval";
diff --git a/Step/wwwroot/src/services/hub.ts b/Step/wwwroot/src/services/hub.ts
index ea3e30d8..51bad032 100644
--- a/Step/wwwroot/src/services/hub.ts
+++ b/Step/wwwroot/src/services/hub.ts
@@ -80,7 +80,7 @@ export class Hub {
     for (const key in status) {
       if (status.hasOwnProperty(key)) {
         const element = status[key];
-        alarmsModelActions.addServiceAlarm(store, { guid : "MAINT_" + element.Id, id: element.Id, dateTime: new Date(element.ExpirationDate) } as any)
+        alarmsModelActions.addServiceAlarm(store, { guid : "maintenance_" + element.Id, id: element.Id, dateTime: new Date(element.ExpirationDate) } as any)
       }
     }
     alarmsModelActions.checkRemoveServiceAlarm(store, status.map(i => i.guid));