diff --git a/test.nix b/test.nix
index f71d906..48f0ac6 100644
--- a/test.nix
+++ b/test.nix
@@ -110,6 +110,9 @@ nixosTest {
 
       environment.fortify = {
         enable = true;
+        package = (pkgs.callPackage ./package.nix { }).overrideAttrs (previousAttrs: {
+          GOFLAGS = previousAttrs.GOFLAGS ++ [ "-race" ];
+        });
         stateDir = "/var/lib/fortify";
         users.alice = 0;