diff --git a/assets/win10x64-ltsc.xml b/assets/win10x64-ltsc.xml
index bde8809..6b2f003 100644
--- a/assets/win10x64-ltsc.xml
+++ b/assets/win10x64-ltsc.xml
@@ -75,6 +75,12 @@
       </DiskConfiguration>
       <ImageInstall>
         <OSImage>
+          <InstallFrom>
+           <MetaData wcm:action="add">
+              <Key>/image/index</Key>
+              <Value>1</Value>
+            </MetaData>
+          </InstallFrom>
           <InstallTo>
             <DiskID>0</DiskID>
             <PartitionID>4</PartitionID>
@@ -94,9 +100,7 @@
         <AcceptEula>true</AcceptEula>
         <FullName>Docker</FullName>
         <Organization>Windows for Docker</Organization>
-        <ProductKey>
-          <Key>VK7JG-NPHTM-C97JM-9MPGT-3V66T</Key>
-        </ProductKey>
+        <ProductKey />
       </UserData>
       <EnableFirewall>false</EnableFirewall>
       <Diagnostics>