1 files changed, 1 insertions, 0 deletions
diff --git a/ops/modules/tvl-buildkite.nix b/ops/modules/tvl-buildkite.nix
index 2aa3b81811..05a5e9b5e7 100644
--- a/ops/modules/tvl-buildkite.nix
+++ b/ops/modules/tvl-buildkite.nix
@@ -39,6 +39,7 @@ in {
       users = builtins.listToAttrs (map (n: rec {
         name = "buildkite-agent-whitby-${toString n}";
         value = {
+          isSystemUser = true;
           group = lib.mkForce "buildkite-agents";
           extraGroups = [ name ];
         };