diff --git a/nixos/modules/tasks/filesystems/zfs.nix b/nixos/modules/tasks/filesystems/zfs.nix
index 2ed8c5aa292..cfdc0a31020 100644
--- a/nixos/modules/tasks/filesystems/zfs.nix
+++ b/nixos/modules/tasks/filesystems/zfs.nix
@@ -268,7 +268,12 @@ in
     };
 
     services.zfs.trim = {
-      enable = mkEnableOption "Enables periodic TRIM on all ZFS pools.";
+      enable = mkOption {
+        description = "Whether to enable periodic TRIM on all ZFS pools.";
+        default = true;
+        example = false;
+        type = types.bool;
+      };
 
       interval = mkOption {
         default = "weekly";