diff --git a/modules/system/nix.nix b/modules/system/nix.nix
index dc16ed4..be8c472 100644
--- a/modules/system/nix.nix
+++ b/modules/system/nix.nix
@@ -15,6 +15,7 @@
         "nix-gaming.cachix.org-1:nbjlureqMbRAxR1gJ/f3hxemL9svXaZF/Ees8vCUUs4="
       ];
       trusted-substituters = substituters;
+      trusted-users = [ "root" "rin" ];
     };
 
     extraOptions = ''