1 files changed, 3 insertions, 2 deletions
diff --git a/Biz/Bild/Builder.nix b/Biz/Bild/Builder.nix
index 9516ca1..04002d0 100644
--- a/Biz/Bild/Builder.nix
+++ b/Biz/Bild/Builder.nix
@@ -22,10 +22,11 @@ let
        private.selectAttrs (lib.strings.splitString " " langDeps) pkgset
      else
        [];
-in stdenv.mkDerivation {
+in stdenv.mkDerivation rec {
   inherit name buildPhase;
-  buildInputs = [ (private.${packageSet} deps) ];
   src = lib.sources.cleanSourceWith {inherit filter; src = lib.sources.cleanSource root;};
+  BIZ_ROOT = src;
+  buildInputs = [ (private.${packageSet} deps) ];
   installPhase = ''
     mkdir -p $out/bin && cp ${name} $out/bin
   '';