diff --git a/flake.nix b/flake.nix
index 1772e42..028ed70 100644
--- a/flake.nix
+++ b/flake.nix
@@ -163,7 +163,9 @@
           cargoExtraArgs = "--workspace --lib --test harness --test p1 --test durable --test 'cred*' --test layers --test regressions --test streams --test wasi";
           preCheck = ''
             export SAUSAGE_CACHE="$TMPDIR/sausage-cache"
+            export CARGO_TARGET_DIR="$PWD/target"
             mkdir -p target/userland
+            ln -s ${userland} target/bundle
             ln -s ${userland} target/userland/bundle
           '';
           doInstallCargoArtifacts = false;