diff --git a/nixos/modules/services/misc/gollum.nix b/nixos/modules/services/misc/gollum.nix
index 4eec9610b5e9..b73528abaf65 100644
--- a/nixos/modules/services/misc/gollum.nix
+++ b/nixos/modules/services/misc/gollum.nix
@@ -91,18 +91,30 @@ in
         The package used in the service
       '';
     };
+
+    user = mkOption {
+      type = types.str;
+      default = "gollum";
+      description = lib.mdDoc "Specifies the owner of the wiki directory";
+    };
+
+    group = mkOption {
+      type = types.str;
+      default = "gollum";
+      description = lib.mdDoc "Specifies the owner group of the wiki directory";
+    };
   };
 
   config = mkIf cfg.enable {
 
-    users.users.gollum = {
-      group = config.users.users.gollum.name;
+    users.users.gollum = mkIf (cfg.user == "gollum") {
+      group = cfg.group;
       description = "Gollum user";
       createHome = false;
       isSystemUser = true;
     };
 
-    users.groups.gollum = { };
+    users.groups."${cfg.group}" = { };
 
     systemd.tmpfiles.rules = [
       "d '${cfg.stateDir}' - ${config.users.users.gollum.name} ${config.users.groups.gollum.name} - -"
@@ -120,8 +132,8 @@ in
       '';
 
       serviceConfig = {
-        User = config.users.users.gollum.name;
-        Group = config.users.groups.gollum.name;
+        User = cfg.user;
+        Group = cfg.group;
         WorkingDirectory = cfg.stateDir;
         ExecStart = ''
           ${cfg.package}/bin/gollum \