diff --git a/nixos/users.nix b/nixos/users.nix
index 0d9efcca..13f20a8f 100644
--- a/nixos/users.nix
+++ b/nixos/users.nix
@@ -29,7 +29,7 @@ in
       createHome = true;
     };
     nginx = {
-      group = ["nginx"];
+      group = "nginx";
       extraGroups = ["syncthing"];
     };
     imalison = userDefaults // {