diff --git a/lib/functions/rootfs/create-cache.sh b/lib/functions/rootfs/create-cache.sh
index 163f983b3f..f9287ddfcd 100644
--- a/lib/functions/rootfs/create-cache.sh
+++ b/lib/functions/rootfs/create-cache.sh
@@ -289,7 +289,7 @@ create_rootfs_cache() {
 		umount_chroot "$SDCARD"
 
 		tar cp --xattrs --directory=$SDCARD/ --exclude='./dev/*' --exclude='./proc/*' --exclude='./run/*' --exclude='./tmp/*' \
-			--exclude='./sys/*' --exclude='./home/*' --exclude='./root/*' . | pv -p -b -r -s $(du -sb $SDCARD/ | cut -f1) -N "$cache_name" | zstdmt -5 -c > $cache_fname
+			--exclude='./sys/*' --exclude='./home/*' --exclude='./root/*' . | pv -p -b -r -s $(du -sb $SDCARD/ | cut -f1) -N "$cache_name" | zstdmt -19 -c > $cache_fname
 
 		# sign rootfs cache archive that it can be used for web cache once. Internal purposes
 		if [[ -n "${GPG_PASS}" && "${SUDO_USER}" ]]; then