diff --git a/assets/win7x64-ultimate.xml b/assets/win7x64-ultimate.xml
index 6b84217..cec7e49 100644
--- a/assets/win7x64-ultimate.xml
+++ b/assets/win7x64-ultimate.xml
@@ -58,7 +58,7 @@
           </InstallFrom>
           <InstallTo>
             <DiskID>0</DiskID>
-            <PartitionID>4</PartitionID>
+            <PartitionID>2</PartitionID>
           </InstallTo>
           <InstallToAvailablePartition>false</InstallToAvailablePartition>
         </OSImage>