diff --git a/inputs.nix b/inputs.nix
index 27826d6..6660e6e 100644
--- a/inputs.nix
+++ b/inputs.nix
@@ -5,6 +5,10 @@ let
     url = "${url}/archive/${rev}.tar.gz";
     sha256 = narHash;
   };
-  flake = import flake-compat { src = ./.; };
+  flake = import flake-compat {
+    src = ./.;
+    copySourceTreeToStore = false;
+    useBuiltinsFetchTree = true;
+  };
 in
 flake.inputs