diff --git a/modules/core/system.nix b/modules/core/system.nix
index c75ba79..d10ace1 100644
--- a/modules/core/system.nix
+++ b/modules/core/system.nix
@@ -3,8 +3,8 @@
   nix = {
     settings = {
       experimental-features = [ "nix-command" "flakes" ];
-      substituters = [ "https://vicinae.cachix.org" ];
-      trusted-public-keys = [ "vicinae.cachix.org-1:1kDrfienkGHPYbkpNj1mWTr7Fm1+zcenzgTizIcI3oc=" ];
+      extra-substituters = [ "https://vicinae.cachix.org" ];
+      extra-trusted-public-keys = [ "vicinae.cachix.org-1:1kDrfienkGHPYbkpNj1mWTr7Fm1+zcenzgTizIcI3oc=" ];
     };
   };
 
diff --git a/modules/core/user.nix b/modules/core/user.nix
index a233c47..ab53159 100644
--- a/modules/core/user.nix
+++ b/modules/core/user.nix
@@ -33,4 +33,5 @@
     ignoreShellProgramCheck = true;
   };
   nix.settings.allowed-users = [ "moons" ];
+  nix.settings.trusted-users = [ "root" "moons" ];
 }