diff --git a/m/module/hut-substituter.nix b/m/module/hut-substituter.nix
index 9b871f64..8d27a458 100644
--- a/m/module/hut-substituter.nix
+++ b/m/module/hut-substituter.nix
@@ -4,7 +4,7 @@
     # Don't add hut as a cache to itself
     assert config.networking.hostName != "hut";
     {
-      substituters = [ "http://hut/cache" ];
-      trusted-public-keys = [ "jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" ];
+      extra-substituters = [ "http://hut/cache" ];
+      extra-trusted-public-keys = [ "jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" ];
     };
 }
diff --git a/m/raccoon/configuration.nix b/m/raccoon/configuration.nix
index 2482a164..28d4da8f 100644
--- a/m/raccoon/configuration.nix
+++ b/m/raccoon/configuration.nix
@@ -29,8 +29,8 @@
   };
 
   nix.settings = {
-    substituters = [ "https://jungle.bsc.es/cache" ];
-    trusted-public-keys = [ "jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" ];
+    extra-substituters = [ "https://jungle.bsc.es/cache" ];
+    extra-trusted-public-keys = [ "jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" ];
   };
 
   # Enable performance governor