diff --git a/flake.nix b/flake.nix
index 445acaf..998a9b5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -101,10 +101,11 @@
                 APP_REL='__APP_REL__'
                 PROOT_REL='__PROOT_REL__'
 
-                exec ".${PROOT_REL}" \
-                  -b ./nix:nix \
+                exec "$EXTRACT_DIR''${PROOT_REL}" \
+                  -b "$EXTRACT_DIR/nix:nix" \
                   -R / \
-                  ".$APP_REL" "$@"
+                  -w "$BUNDLE_PWD" \
+                  "$EXTRACT_DIR''${APP_REL}" "$@"
 
                 __ARCHIVE_BELOW__
                 SH