diff --git a/buildroot-external/board/ova/barebox-env/boot/system0 b/buildroot-external/board/ova/barebox-env/boot/system0
index 9d24de3bb..421378b13 100644
--- a/buildroot-external/board/ova/barebox-env/boot/system0
+++ b/buildroot-external/board/ova/barebox-env/boot/system0
@@ -1,6 +1,7 @@
 #!/bin/sh
 
-global.bootm.image="/mnt/disk1/boot/bzImage"
+global bootm.image="/mnt/disk1/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/sda2 rootfstype=squashfs ro"