diff --git a/pkgs/by-name/to/tokio-console/package.nix b/pkgs/by-name/to/tokio-console/package.nix
index daafce25d061..f57ef2d3f986 100644
--- a/pkgs/by-name/to/tokio-console/package.nix
+++ b/pkgs/by-name/to/tokio-console/package.nix
@@ -28,13 +28,13 @@ rustPlatform.buildRustPackage rec {
   ];
 
   # uses currently unstable tokio features
-  RUSTFLAGS = "--cfg tokio_unstable";
+  env.RUSTFLAGS = "--cfg tokio_unstable";
 
   checkFlags = [
     # tests depend upon git repository at test execution time
-    "--skip bootstrap"
-    "--skip config::tests::args_example_changed"
-    "--skip config::tests::toml_example_changed"
+    "--skip=bootstrap"
+    "--skip=config::tests::args_example_changed"
+    "--skip=config::tests::toml_example_changed"
   ];
 
   postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''