diff --git a/module.nix b/module.nix
index e4459d1..67454ba 100644
--- a/module.nix
+++ b/module.nix
@@ -3,9 +3,9 @@
 let
   cfg = config.services.usda-vision;
   
-  # Get packages from the flake (self reference)
-  camera-sdk = config.services.usda-vision.package.camera-sdk or pkgs.callPackage ./camera-sdk.nix {};
-  usda-vision-app = config.services.usda-vision.package.usda-vision or pkgs.callPackage ./package.nix {};
+  # Get packages from the package option (must be provided)
+  camera-sdk = cfg.package.camera-sdk;
+  usda-vision-app = cfg.package.usda-vision;
 in
 
 {