diff --git a/modules/sys/security.nix b/modules/sys/security.nix
index 602ed9b..f6ac7b8 100644
--- a/modules/sys/security.nix
+++ b/modules/sys/security.nix
@@ -3,7 +3,7 @@
     sudo.execWheelOnly = true;
     polkit.enable = true;
     protectKernelImage = true;
-    tpm = {
+    tpm2 = {
       enable = true;
       pkcs11.enable = true;
       tctiEnvironment.enable = true;