diff --git a/mediabox/configuration.nix b/mediabox/configuration.nix
index 6563b88..263d8c6 100644
--- a/mediabox/configuration.nix
+++ b/mediabox/configuration.nix
@@ -44,7 +44,7 @@
     };
     readOnlyNixStore = true;
     supportedFilesystems = ["btrfs"];
-    tmpOnTmpfs = true;
+    tmp.useTmpfs = true;
   };
 
   security = {
@@ -329,7 +329,7 @@
     };
   };
 
-  fonts.fonts = with pkgs; [
+  fonts.packages = with pkgs; [
     dina-font
     fira-code
     fira-code-symbols