diff --git a/nixos/modules/mailman.nix b/nixos/modules/mailman.nix
index e6eb8f5..64ecc90 100644
--- a/nixos/modules/mailman.nix
+++ b/nixos/modules/mailman.nix
@@ -91,7 +91,7 @@ in {
       };
     };
     sops.secrets.allowlistPass = {
-      sopsFile = ../machines/lobon/allowlistPass.yaml;
+      sopsFile = "../machines/lobon/allowlistPass.yaml";
       owner = "mailman";
       group = "mailman";
       mode = "0400";