diff --git a/pkgs/example-package/default.nix b/pkgs/example-package/default.nix
index 1427461..2533adf 100644
--- a/pkgs/example-package/default.nix
+++ b/pkgs/example-package/default.nix
@@ -3,6 +3,7 @@
 stdenv.mkDerivation rec {
   name = "example-package-${version}";
   version = "1.0";
+  src = ./.;
   buildPhase = "echo echo Hello World > example";
   installPhase = "install -Dm755 example $out";
 }