diff --git a/pkgs/by-name/gu/gurk-rs/package.nix b/pkgs/by-name/gu/gurk-rs/package.nix
index 772cd6476092..ac0db5ce49fd 100644
--- a/pkgs/by-name/gu/gurk-rs/package.nix
+++ b/pkgs/by-name/gu/gurk-rs/package.nix
@@ -37,15 +37,16 @@ rustPlatform.buildRustPackage rec {
 
   buildInputs = [ openssl ];
 
-  NIX_LDFLAGS = lib.optionals (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isx86_64) [
-    "-framework"
-    "AppKit"
-  ];
+  env = {
+    NIX_LDFLAGS = lib.optionals (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isx86_64) [
+      "-framework"
+      "AppKit"
+    ];
+    OPENSSL_NO_VENDOR = true;
+  };
 
   PROTOC = "${pkgsBuildHost.protobuf}/bin/protoc";
 
-  OPENSSL_NO_VENDOR = true;
-
   useNextest = true;
 
   nativeCheckInputs = [ writableTmpDirAsHomeHook ];