diff --git a/modules/services/gitea.nix b/modules/services/gitea.nix
index 31c48ed2..ea226bfd 100644
--- a/modules/services/gitea.nix
+++ b/modules/services/gitea.nix
@@ -24,6 +24,7 @@ in {
       useDefaultShell = true;
       home = "/var/lib/gitea";
       group = "gitea";
+      isSystemUser = true;
     };
 
     user.extraGroups = [ "gitea" ];