diff --git a/MP.SPEC/Components/ParamsFilter.razor.cs b/MP.SPEC/Components/ParamsFilter.razor.cs
index fba1461c..eae78d0e 100644
--- a/MP.SPEC/Components/ParamsFilter.razor.cs
+++ b/MP.SPEC/Components/ParamsFilter.razor.cs
@@ -182,7 +182,7 @@ namespace MP.SPEC.Components
             currFilt.CurrPage = 0;
             currFilt.lastUpdate = $"{DateTime.Now:yyyy/MM/dd HH:mm:ss}";
             currFilt.dtMax = RoundDatetime(5);
-            currFilt.dtMin = RoundDatetime(5).AddHours(-2);
+            currFilt.dtMin = RoundDatetime(5).AddDays(-1);
             SelFilter = currFilt;
         }
 
@@ -202,8 +202,8 @@ namespace MP.SPEC.Components
             // fermo udpate
             liveUpdate = false;
             // se non ho data rif uso adesso...
-            DateTime dtMax = selDtMax == null ? DateTime.Now : (DateTime)selDtMax;
-            DateTime dtMin = selDtMin == null ? DateTime.Now : (DateTime)selDtMin;
+            DateTime dtMax = selDtMax == null ? RoundDatetime(5) : (DateTime)selDtMax;
+            DateTime dtMin = selDtMin == null ? RoundDatetime(5).AddDays(-1) : (DateTime)selDtMin;
             // aggiungo 2 sec
             dtMax = dtMax.AddSeconds(15);
             //dtMin = dtMin.AddMinutes(-30);