diff --git a/lib.nix b/lib.nix
index 1af7dff..05f70d8 100644
--- a/lib.nix
+++ b/lib.nix
@@ -1,7 +1,7 @@
 { pkgs }:
 let
   inherit (pkgs) lib;
-  runtime = "$pwd/.compose";
+  runtime = "$(pwd)/.compose";
 in
 {
   mkWrapper =