diff --git a/systems/aarch64-linux/m4nix/default.nix b/systems/aarch64-linux/m4nix/default.nix
index ac51493..45609be 100644
--- a/systems/aarch64-linux/m4nix/default.nix
+++ b/systems/aarch64-linux/m4nix/default.nix
@@ -35,6 +35,8 @@ with lib.metacfg;
   ];
 
   security.tpm2.enable = false;
+  security.tpm2.abrmd.enable = false;
+
 
   services.ratbagd.enable = true;