diff --git a/agents/linux.nix b/agents/linux.nix
index f1fa6f3..2917b4a 100644
--- a/agents/linux.nix
+++ b/agents/linux.nix
@@ -23,7 +23,7 @@ in {
   virtualisation.docker.enable = true;
 
   users.users.gitea-runner.group = "gitea-runner";
-  users.groups.gitea-runner = "gitea-runner";
+  users.groups.gitea-runner = {};
   users.users.gitea-runner.extraGroups = [ "docker" ];
   users.users.gitea-runner.isNormalUser = true;