diff --git a/nixos/modules/security/rngd.nix b/nixos/modules/security/rngd.nix
index c31e57e6f6f..c47c1b2a67e 100644
--- a/nixos/modules/security/rngd.nix
+++ b/nixos/modules/security/rngd.nix
@@ -30,7 +30,7 @@ with lib;
 
       description = "Hardware RNG Entropy Gatherer Daemon";
 
-      serviceConfig.ExecStart = "${pkgs.rng_tools}/sbin/rngd -f";
+      serviceConfig.ExecStart = "${pkgs.rng_tools}/sbin/rngd -f -v --no-tpm=1";
 
       restartTriggers = [ pkgs.rng_tools ];
     };