diff --git a/third_party/vboot_reference b/third_party/vboot_reference
index 3bd3510..956c2ef 160000
--- a/third_party/vboot_reference
+++ b/third_party/vboot_reference
@@ -1 +1 @@
-Subproject commit 3bd35108579db497b006b81e77794739b5118592
+Subproject commit 956c2efb0af310a3089b362fdb5d5f70238758f2
diff --git a/xtask/src/gen_disk.rs b/xtask/src/gen_disk.rs
index 4cb11b2..8bd7353 100644
--- a/xtask/src/gen_disk.rs
+++ b/xtask/src/gen_disk.rs
@@ -472,10 +472,7 @@
         "--vmlinuz", vmlinuz.as_str(),
         "--bootloader", bootloader.as_str(),
         "--config", config.as_str(),
-        // TODO: the kernel is actually amd64, but pass in
-        // arm64 so that vbutil won't do all the kernel
-        // munging stuff it wants to.
-        "--arch", "arm64"]).run()?;
+        "--arch", "amd64"]).run()?;
 
     // Verify it.
     Command::with_args(