diff --git a/modules/forgejo/default.nix b/modules/forgejo/default.nix
index 7200449..615958e 100644
--- a/modules/forgejo/default.nix
+++ b/modules/forgejo/default.nix
@@ -46,7 +46,7 @@ in {
     ++ lib.optional (!(builtins.isNull cfg.templates))
       "L+ ${forgejo.stateDir}/custom/templates - - - - ${cfg.templates}";
 
-  users.users = lib.mkIf cfg.createUser {
+  users.users = lib.mkIf (cfg.createUser && forgejo.user != "forgejo") {
     ${forgejo.user} = {
       home = forgejo.stateDir;
       useDefaultShell = true;
@@ -54,7 +54,7 @@ in {
       isSystemUser = true;
     };
   };
-  users.groups = lib.mkIf cfg.createUser {
+  users.groups = lib.mkIf (cfg.createUser && forgejo.group != "forgejo") {
     ${forgejo.group} = {};
   };
 }