diff --git a/CurrMachWindow/CurrMachWindowVM.vb b/CurrMachWindow/CurrMachWindowVM.vb
index a0084ef..66a8849 100644
--- a/CurrMachWindow/CurrMachWindowVM.vb
+++ b/CurrMachWindow/CurrMachWindowVM.vb
@@ -456,28 +456,28 @@ Public Class CurrMachWindowVM
                ' --- DRILL ---
                CreateMachiningList(MCH_MY.DRILLING, m_AvailableDrillList, m_CurrDrillingList)
                ' Se la lista è vuota cancello la lavorazione corrente di questo tipo
-               If m_CurrDrillingList.Count = 0 Then
+               If m_CurrDrillingList.Count <= 1 Then
                   CurrentMachine.sCurrDrilling = String.Empty
                End If
 
                ' --- MILL ---
                CreateMachiningList(MCH_MY.MILLING, m_AvailableMillList, m_CurrMillingList)
                ' Se la lista è vuota cancello la lavorazione corrente di questo tipo
-               If m_CurrMillingList.Count = 0 Then
+               If m_CurrMillingList.Count <= 1 Then
                   CurrentMachine.sCurrMilling = String.Empty
                End If
 
                ' --- SCASSO ---
                CreateMachiningList(MCH_MY.POCKETING, m_AvailableMillList, m_CurrPocketingList)
                ' Se la lista è vuota cancello la lavorazione corrente di questo tipo
-               If m_CurrPocketingList.Count = 0 Then
+               If m_CurrPocketingList.Count <= 1 Then
                   CurrentMachine.sCurrPocketing = String.Empty
                End If
 
                ' --- WATERJET ---
                CreateMachiningList(MCH_MY.WATERJETTING, m_AvailableWaterjetList, m_CurrWaterjettingList)
                ' Se la lista è vuota cancello la lavorazione corrente di questo tipo
-               If m_CurrWaterjettingList.Count = 0 Then
+               If m_CurrWaterjettingList.Count <= 1 Then
                   CurrentMachine.sCurrWaterJetting = String.Empty
                End If
                m_CurrWaterjettingQualityList = New List(Of String)(CurrentMachine.Qualities)
@@ -487,28 +487,28 @@ Public Class CurrMachWindowVM
                ' --- DRILL ---
                CreateMachiningList(MCH_MY.DRILLING, m_AvailableDrillList, m_CurrDrillingList)
                ' Se la lista è vuota cancello la lavorazione corrente di questo tipo
-               If m_CurrDrillingList.Count = 0 Then
+               If m_CurrDrillingList.Count <= 1 Then
                   CurrentMachine.sCurrDrilling = String.Empty
                End If
 
                ' --- MILL ---
                CreateMachiningList(MCH_MY.MILLING, m_AvailableMillList, m_CurrMillingList)
                ' Se la lista è vuota cancello la lavorazione corrente di questo tipo
-               If m_CurrMillingList.Count = 0 Then
+               If m_CurrMillingList.Count <= 1 Then
                   CurrentMachine.sCurrMilling = String.Empty
                End If
 
                ' --- SCASSO ---
                CreateMachiningList(MCH_MY.POCKETING, m_AvailableMillList, m_CurrPocketingList)
                ' Se la lista è vuota cancello la lavorazione corrente di questo tipo
-               If m_CurrPocketingList.Count = 0 Then
+               If m_CurrPocketingList.Count <= 1 Then
                   CurrentMachine.sCurrPocketing = String.Empty
                End If
 
                ' --- WATERJET ---
                CreateMachiningList(MCH_MY.WATERJETTING, m_AvailableWaterjetList, m_CurrWaterjettingList)
                ' Se la lista è vuota cancello la lavorazione corrente di questo tipo
-               If m_CurrWaterjettingList.Count = 0 Then
+               If m_CurrWaterjettingList.Count <= 1 Then
                   CurrentMachine.sCurrWaterJetting = String.Empty
                End If
                m_CurrWaterjettingQualityList = New List(Of String)(CurrentMachine.Qualities)
diff --git a/OmagOFFICE.vbproj b/OmagOFFICE.vbproj
index 37c0c2c..84e832e 100644
--- a/OmagOFFICE.vbproj
+++ b/OmagOFFICE.vbproj
@@ -128,8 +128,8 @@
     <ApplicationManifest>My Project\app.manifest</ApplicationManifest>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="DotNetZip, Version=1.16.0.0, Culture=neutral, PublicKeyToken=6583c7c814667745, processorArchitecture=MSIL">
-      <HintPath>packages\DotNetZip.1.16.0\lib\net40\DotNetZip.dll</HintPath>
+    <Reference Include="DotNetZip">
+      <HintPath>..\..\EgtProg\OmagOFFICE\DotNetZip.dll</HintPath>
     </Reference>
     <Reference Include="EgtPHOTOLib, Version=2.3.1.1, Culture=neutral, processorArchitecture=x86">
       <SpecificVersion>False</SpecificVersion>