diff --git a/Thermo.Active/Listeners/SignalR/SignalRListener.cs b/Thermo.Active/Listeners/SignalR/SignalRListener.cs
index ee78b783..bb86d9d1 100644
--- a/Thermo.Active/Listeners/SignalR/SignalRListener.cs
+++ b/Thermo.Active/Listeners/SignalR/SignalRListener.cs
@@ -562,7 +562,7 @@ namespace Thermo.Active.Listeners.SignalR
             {
                 // recupero
                 var element = LastChannelsIoData.DI.Find(x => x.Id == item.Id);
-                if ((element == null) || (!item.Value.Equals(element)))
+                if ((element == null) || (!item.Value.Equals(element.Value)))
                 {
                     diffChannelsData.DI.Add(item);
                 }
@@ -572,7 +572,7 @@ namespace Thermo.Active.Listeners.SignalR
             {
                 // recupero
                 var element = LastChannelsIoData.DO.Find(x => x.Id == item.Id);
-                if ((element == null) || (!item.Value.Equals(element)))
+                if ((element == null) || (!item.Value.Equals(element.Value)))
                 {
                     diffChannelsData.DO.Add(item);
                 }
@@ -582,7 +582,7 @@ namespace Thermo.Active.Listeners.SignalR
             {
                 // recupero
                 var element = LastChannelsIoData.AI.Find(x => x.Id == item.Id);
-                if ((element == null) || (!item.Value.Equals(element)))
+                if ((element == null) || (!item.Value.Equals(element.Value)))
                 {
                     diffChannelsData.AI.Add(item);
                 }
@@ -592,7 +592,7 @@ namespace Thermo.Active.Listeners.SignalR
             {
                 // recupero
                 var element = LastChannelsIoData.AO.Find(x => x.Id == item.Id);
-                if ((element == null) || (!item.Value.Equals(element)))
+                if ((element == null) || (!item.Value.Equals(element.Value)))
                 {
                     diffChannelsData.AO.Add(item);
                 }
@@ -602,10 +602,10 @@ namespace Thermo.Active.Listeners.SignalR
             if (diffChannelsData.DI.Count + diffChannelsData.DO.Count + diffChannelsData.AI.Count + diffChannelsData.AO.Count > 0)
             {
                 // salvo update CLONANDO
-                LastChannelsIoData.DI = currChannelsIoData.DI.Clone();
-                LastChannelsIoData.DO = currChannelsIoData.DO.Clone();
-                LastChannelsIoData.AI = currChannelsIoData.AI.Clone();
-                LastChannelsIoData.AO = currChannelsIoData.AO.Clone();
+                LastChannelsIoData.DI = currChannelsIoData.DI;
+                LastChannelsIoData.DO = currChannelsIoData.DO;
+                LastChannelsIoData.AI = currChannelsIoData.AI;
+                LastChannelsIoData.AO = currChannelsIoData.AO;
                 var context = GlobalHost.ConnectionManager.GetHubContext<NcHub>();
                 context.Clients.Group("ncData").channelsIoVal(diffChannelsData);
             }
diff --git a/Thermo.Active/Properties/AssemblyInfo.cs b/Thermo.Active/Properties/AssemblyInfo.cs
index 052aea09..5f2eb65b 100644
--- a/Thermo.Active/Properties/AssemblyInfo.cs
+++ b/Thermo.Active/Properties/AssemblyInfo.cs
@@ -30,4 +30,4 @@ using System.Runtime.InteropServices;
 //
 // You can specify all the values or you can default the Revision and Build Numbers
 // by using the '*' as shown below:
-[assembly: AssemblyVersion("1.1.156")]
+[assembly: AssemblyVersion("1.1.157")]