diff --git a/machines/newton/disko-config.nix b/machines/newton/disko-config.nix
index f7c1233..ccd9ac9 100644
--- a/machines/newton/disko-config.nix
+++ b/machines/newton/disko-config.nix
@@ -28,7 +28,7 @@
               content = {
                 type = "luks";
                 name = "encrypted";
-                extraOpenArgs = [ "--allow-discards" ];
+                settings.allowDiscards = true;
                 passwordFile = "/tmp/disk.key";
                 content = {
                   type = "lvm_pv";
diff --git a/machines/serverle/disko-config.nix b/machines/serverle/disko-config.nix
index 560e0b0..a3e0a2c 100644
--- a/machines/serverle/disko-config.nix
+++ b/machines/serverle/disko-config.nix
@@ -28,7 +28,7 @@
               content = {
                 type = "luks";
                 name = "encrypted";
-                extraOpenArgs = [ "--allow-discards" ];
+                settings.allowDiscards = true;
                 passwordFile = "/tmp/disk.key";
                 content = {
                   type = "lvm_pv";
diff --git a/machines/thinkman/configuration.nix b/machines/thinkman/configuration.nix
index 7ac3371..acee48c 100644
--- a/machines/thinkman/configuration.nix
+++ b/machines/thinkman/configuration.nix
@@ -2,12 +2,12 @@
 {
   imports = [
     ./boot.nix
+    ./disko-config.nix
     ./hardware-configuration.nix
     ./network.nix
     ./profiles.nix
     ./services.nix
     ./system.nix
-    ./disko-config.nix
   ];
 
   networking.hostName = "thinkman";
diff --git a/machines/thinkman/disko-config.nix b/machines/thinkman/disko-config.nix
index 90250b5..9c9fd5e 100644
--- a/machines/thinkman/disko-config.nix
+++ b/machines/thinkman/disko-config.nix
@@ -28,7 +28,7 @@
               content = {
                 type = "luks";
                 name = "encrypted";
-                extraOpenArgs = [ "--allow-discards" ];
+                settings.allowDiscards = true;
                 passwordFile = "/tmp/disk.key";
                 content = {
                   type = "lvm_pv";