diff --git a/pkgs/development/tools/rust/cbindgen/default.nix b/pkgs/development/tools/rust/cbindgen/default.nix
index d58b848c87e9..64b40bdecf34 100644
--- a/pkgs/development/tools/rust/cbindgen/default.nix
+++ b/pkgs/development/tools/rust/cbindgen/default.nix
@@ -15,8 +15,10 @@ rustPlatform.buildRustPackage rec {
 
   buildInputs = stdenv.lib.optional stdenv.isDarwin Security;
 
-  # https://github.com/eqrion/cbindgen/issues/338
-  RUSTC_BOOTSTRAP = 1;
+  checkFlags = [
+    # https://github.com/eqrion/cbindgen/issues/338
+    "--skip test_expand"
+  ];
 
   meta = with stdenv.lib; {
     description = "A project for generating C bindings from Rust code";