diff --git a/flake.nix b/flake.nix
index e58b9e7..1525041 100644
--- a/flake.nix
+++ b/flake.nix
@@ -29,6 +29,10 @@
         RUST_DOC_PATH = "${rust}/share/doc/rust/html/std/index.html";
       };
 
-      defaultPackage = naersk'.buildPackage ./.;
+      defaultPackage = naersk'.buildPackage {
+        src = ./.;
+
+        TEMPLATE_DIR = ./templates;
+      };
     });
 }