diff --git a/MP-TAB3/Components/AlarmsMan.razor.cs b/MP-TAB3/Components/AlarmsMan.razor.cs
index d40333a2..feeb8ddb 100644
--- a/MP-TAB3/Components/AlarmsMan.razor.cs
+++ b/MP-TAB3/Components/AlarmsMan.razor.cs
@@ -101,7 +101,6 @@ namespace MP_TAB3.Components
                 DateTime fine = DateTime.Today.AddDays(1);
                 DateTime inizio = fine.AddDays(-8);
                 CurrPeriodo = new Periodo(inizio, fine);
-                await doUpdate();
             }
             var rawDest = config.GetValue<string>("AlarmDest");
             if (!string.IsNullOrEmpty(rawDest))
@@ -114,6 +113,15 @@ namespace MP_TAB3.Components
             }
         }
 
+        protected override async Task OnParametersSetAsync()
+        {
+            if (RecMSE != null && !RecMSE.MostlyEquals(lastRecMSE))
+            {
+                lastRecMSE = RecMSE;
+                await doUpdate();
+            }
+        }
+
         protected void SaveNumRec(int newNum)
         {
             NumRecPage = newNum;
@@ -208,6 +216,7 @@ namespace MP_TAB3.Components
 
         private Periodo CurrPeriodo { get; set; } = new Periodo();
         private string IdxMaccSel { get; set; } = "";
+        private MappaStatoExpl? lastRecMSE { get; set; } = null;
 
         #endregion Private Properties
     }