1 files changed, 3 insertions, 1 deletions
diff --git a/test/default.nix b/test/default.nix
index 246d6dfc..76a490a7 100644
--- a/test/default.nix
+++ b/test/default.nix
@@ -55,7 +55,9 @@ testers.nixosTest {
       environment.hakurei = lib.mkIf withRace rec {
         # race detector does not support static linking
         package = (pkgs.callPackage ../package.nix { }).overrideAttrs (previousAttrs: {
-          GOFLAGS = previousAttrs.GOFLAGS ++ [ "-race" ];
+          env = previousAttrs.env // {
+            GOFLAGS = previousAttrs.env.GOFLAGS + " -race";
+          };
         });
         hsuPackage = options.environment.hakurei.hsuPackage.default.override { hakurei = package; };
       };