diff --git a/hosts/data.cs.purdue.edu/default.nix b/hosts/data.cs.purdue.edu/default.nix
index 6021476..b0bc392 100644
--- a/hosts/data.cs.purdue.edu/default.nix
+++ b/hosts/data.cs.purdue.edu/default.nix
@@ -27,7 +27,7 @@
       sessionVariables = {
         TMPDIR = "${config.home.homeDirectory}/scratch/tmp";
         UNIVERSE_FLAKE_ROOT = "${config.home.homeDirectory}/universe";
-        UNIVERSE_USERNAME = config.home.username;
+        UNIVERSE_USERNAME = main.user.name;
       };
 
       file.".profile".target = ".profile-hm";