diff --git a/tests/arion-test/default.nix b/tests/arion-test/default.nix
index 4d6ad9a..e301b10 100644
--- a/tests/arion-test/default.nix
+++ b/tests/arion-test/default.nix
@@ -18,11 +18,21 @@ in
     
     # no caches, because no internet
     nix.binaryCaches = lib.mkForce [];
+
+    # FIXME: Sandbox seems broken with current version of NixOS test
+    #        w/ writable store. Error:
+    #        machine# error: linking '/nix/store/7r8z2zvhwda85pgpdn5hzzz6hs1njklc-stdenv-linux.drv.chroot/nix/store/6v3y7s4q4wd16hsw393gjpxvcf9159bv-patch-shebangs.sh' to '/nix/store/6v3y7s4q4wd16hsw393gjpxvcf9159bv-patch-shebangs.sh': Operation not permitted
+    #
+    #        There should be no reason why arion can't run without
+    #        sandboxing, so please re-enable.
+    nix.useSandbox = false;
+
     virtualisation.writableStore = true;
     virtualisation.pathsInNixDB = [
       # Pre-build the image because we don't want to build the world
       # in the vm.
       preEval.config.build.dockerComposeYaml
+      pkgs.stdenv
     ];
   };
   testScript = ''