diff --git a/buildroot-external/board/ova/barebox-env/boot/system1 b/buildroot-external/board/ova/barebox-env/boot/system1
index c0103ff42..a9133b698 100644
--- a/buildroot-external/board/ova/barebox-env/boot/system1
+++ b/buildroot-external/board/ova/barebox-env/boot/system1
@@ -1,5 +1,6 @@
 #!/bin/sh
 
-global.bootm.image="/mnt/disk2/boot/bzImage"
+global bootm.image="/mnt/disk2/boot/bzImage"
 
+global linux.bootargs.zswap="zswap.enabled=1 zswap.compressor=lz4 zswap.max_pool_percent=20 zswap.zpool=z3fold"
 global linux.bootargs.dyn.root="root=/dev/sda3 rootfstype=squashfs ro"