diff --git a/tests/remote-builds.nix b/tests/remote-builds.nix
index 0f16026a4..34276e7d6 100644
--- a/tests/remote-builds.nix
+++ b/tests/remote-builds.nix
@@ -14,6 +14,7 @@ let
     { services.openssh.enable = true;
       virtualisation.writableStore = true;
       nix.package = nix;
+      nix.useChroot = true;
     };
 
   # Trivial Nix expression to build remotely.