diff --git a/assets/win7x64-ultimate.xml b/assets/win7x64-ultimate.xml
index db1242b..d4a555e 100644
--- a/assets/win7x64-ultimate.xml
+++ b/assets/win7x64-ultimate.xml
@@ -85,7 +85,7 @@
       </ImageInstall>
       <UserData>
         <ProductKey>
-          <Key/>
+          <Key>FJ82H-XT6CR-J8D7P-XQJJ2-GPDD4</Key>
           <WillShowUI>Never</WillShowUI>
         </ProductKey>
         <AcceptEula>true</AcceptEula>