diff --git a/system/hardware-configuration.nix b/system/hardware-configuration.nix
index fd8c898..c0b0758 100644
--- a/system/hardware-configuration.nix
+++ b/system/hardware-configuration.nix
@@ -16,7 +16,7 @@
   fileSystems."/" =
     { device = "/dev/disk/by-uuid/2dad5ed6-44cc-4d9d-9392-32afaa7b3909";
       fsType = "btrfs";
-      options = [ "subvol=@" "compress=zstd" ];
+      options = [ "subvol=@" "compress=zstd" "autodefrag" ];
     };
 
   boot.initrd.luks.devices."cryptroot".device = "/dev/disk/by-uuid/cc0617df-8cbf-4618-abbc-df64c96de151";
@@ -24,7 +24,7 @@
   fileSystems."/home" =
     { device = "/dev/disk/by-uuid/2dad5ed6-44cc-4d9d-9392-32afaa7b3909";
       fsType = "btrfs";
-      options = [ "subvol=@home" "compress=zstd" ];
+      options = [ "subvol=@home" "compress=zstd" "autodefrag" ];
     };
 
   fileSystems."/boot" =