diff --git a/krebs/2configs/reaktor2.nix b/krebs/2configs/reaktor2.nix
index 2823aabef..14e0a3d7a 100644
--- a/krebs/2configs/reaktor2.nix
+++ b/krebs/2configs/reaktor2.nix
@@ -119,6 +119,7 @@ in {
   users.users.reaktor2 = {
     uid = genid_uint31 "reaktor2";
     home = stateDir;
+    isSystemUser = true;
   };
 
   krebs.reaktor2 = {