diff --git a/nix/configuration/hosts/odo/optimized_build.nix b/nix/configuration/hosts/odo/optimized_build.nix
index 45ebd7b..0b2fc5a 100644
--- a/nix/configuration/hosts/odo/optimized_build.nix
+++ b/nix/configuration/hosts/odo/optimized_build.nix
@@ -26,6 +26,12 @@
       # Keep ALL dependencies so we can rebuild offline. This DRASTICALLY increase disk usage, but disk space is cheap.
       # system.includeBuildDependencies = true;
 
+      # This also should enable building offline? TODO: test.
+      # nix.extraOptions = ''
+      #   keep-outputs = true
+      #   keep-derivations = true
+      # '';
+
       nixpkgs.hostPlatform = {
         gcc.arch = "znver4";
         gcc.tune = "znver4";