diff --git a/configuration.nix b/configuration.nix
index 77ff011..332f9a2 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -7,7 +7,7 @@ with pkgs;
   boot = {
     kernelPackages = config.boot.zfs.package.latestCompatibleLinuxPackages;
     kernelParams = [
-      "zfs.zfs_arc_max=1073741824"
+      "zfs.zfs_arc_max=2147483648"
       "zfs.zfs_arc_meta_limit_percent=90"
       "workqueue.power_efficient=y"
       "nohibernate"