diff --git a/modules/filesystem/chn-PC.nix b/modules/filesystem/chn-PC.nix
index 37e469b5..f5a8e90d 100644
--- a/modules/filesystem/chn-PC.nix
+++ b/modules/filesystem/chn-PC.nix
@@ -15,13 +15,13 @@
 			{
 				device = "/dev/mapper/root";
 				fsType = "btrfs";
-				options = [ "subvol=nix" "compress-force=zstd:15" ];
+				options = [ "subvol=nix" "compress-force=zstd:3" ];
 			};
 			"/boot" =
 			{
 				device = "/dev/disk/by-uuid/02e426ec-cfa2-4a18-b3a5-57ef04d66614";
 				fsType = "btrfs";
-				options = [ "compress-force=zstd:15" ];
+				options = [ "compress-force=zstd:3" ];
 			};
 			"/boot/efi" =
 			{