diff --git a/nixos/modules/services/networking/ssh/sshd.nix b/nixos/modules/services/networking/ssh/sshd.nix
index 2069ec178aa6..0664b5540d94 100644
--- a/nixos/modules/services/networking/ssh/sshd.nix
+++ b/nixos/modules/services/networking/ssh/sshd.nix
@@ -505,8 +505,10 @@ in
         PrintMotd no # handled by pam_motd
 
         AuthorizedKeysFile ${toString cfg.authorizedKeysFiles}
-        AuthorizedKeysCommand ${cfg.authorizedKeysCommand}
-        AuthorizedKeysCommandUser ${cfg.authorizedKeysCommandUser}
+        ${optionalString (cfg.authorizedKeysCommand != "none") ''
+          AuthorizedKeysCommand ${cfg.authorizedKeysCommand}
+          AuthorizedKeysCommandUser ${cfg.authorizedKeysCommandUser}
+        ''}
 
         ${flip concatMapStrings cfg.hostKeys (k: ''
           HostKey ${k.path}