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Diffstat (limited to 'nixpkgs/nixos/modules/security/duosec.nix')
-rw-r--r--nixpkgs/nixos/modules/security/duosec.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/nixos/modules/security/duosec.nix b/nixpkgs/nixos/modules/security/duosec.nix
index 71428b82f5da..c47be80b9dc3 100644
--- a/nixpkgs/nixos/modules/security/duosec.nix
+++ b/nixpkgs/nixos/modules/security/duosec.nix
@@ -51,7 +51,7 @@ in
       };
 
       secretKeyFile = mkOption {
-        type = types.path;
+        type = types.nullOr types.path;
         default = null;
         description = ''
           A file containing your secret key. The security of your Duo application is tied to the security of your secret key.