diff --git a/lass/2configs/zsh.nix b/lass/2configs/zsh.nix
index 442a1d4d9..4d33aa79d 100644
--- a/lass/2configs/zsh.nix
+++ b/lass/2configs/zsh.nix
@@ -118,5 +118,5 @@
       fi
     '';
   };
-  users.users.${config.krebs.build.user.name}.shell = "/run/current-system/sw/bin/zsh";
+  users.users.mainUser.shell = "/run/current-system/sw/bin/zsh";
 }