diff --git a/flake.nix b/flake.nix
index d043b5b..1e63f09 100644
--- a/flake.nix
+++ b/flake.nix
@@ -159,8 +159,11 @@
       in {
         packages.default = sausage;
         checks.package = sausage;
-        checks.tests = craneLib.cargoTest (common // wasiCcEnv // {
+        checks.tests = craneLib.mkCargoDerivation (common // wasiCcEnv // {
           inherit cargoArtifacts;
+          pnameSuffix = "-test";
+          doCheck = true;
+          buildPhaseCargoCommand = "";
           # Keep the same sandbox-compatible modules in the shared host test executable.
           checkPhaseCargoCommand = ''
             cargoWithProfile test --locked --workspace --lib