diff --git a/nixos/modules/services/networking/ssh/sshd.nix b/nixos/modules/services/networking/ssh/sshd.nix
index 2069ec178aa..f5b7741a5cf 100644
--- a/nixos/modules/services/networking/ssh/sshd.nix
+++ b/nixos/modules/services/networking/ssh/sshd.nix
@@ -17,7 +17,7 @@ let
     ${cfg.extraConfig}
     EOL
 
-    ssh-keygen -f mock-hostkey -N ""
+    ssh-keygen -q -f mock-hostkey -N ""
     sshd -t -f $out -h mock-hostkey
   '';