diff --git a/infra/common/nixos/default.nix b/infra/common/nixos/default.nix
index 9d9f994d..5c70d5cd 100644
--- a/infra/common/nixos/default.nix
+++ b/infra/common/nixos/default.nix
@@ -25,7 +25,7 @@ in
   '';
 
   nix.settings = {
-    substituters = [
+    trusted-substituters = [
       "https://attic.fediversity.net/demo"
     ];
     trusted-public-keys = [