diff --git a/assets/win11arm64-ltsc.xml b/assets/win11arm64-ltsc.xml
index f429e7b..0c200df 100644
--- a/assets/win11arm64-ltsc.xml
+++ b/assets/win11arm64-ltsc.xml
@@ -86,6 +86,9 @@
         <AcceptEula>true</AcceptEula>
         <FullName>Docker</FullName>
         <Organization>Windows for Docker</Organization>
+        <ProductKey>
+          <Key />
+        </ProductKey>
       </UserData>
       <EnableFirewall>false</EnableFirewall>
       <Diagnostics>