diff --git a/library/stdarch/crates/coresimd/src/lib.rs b/library/stdarch/crates/coresimd/src/lib.rs
index 06e0e49c6bc2..019362a60426 100644
--- a/library/stdarch/crates/coresimd/src/lib.rs
+++ b/library/stdarch/crates/coresimd/src/lib.rs
@@ -17,7 +17,7 @@
     repr_simd,
     simd_ffi,
     asm,
-    proc_macro_gen,
+    proc_macro_hygiene,
     integer_atomics,
     stmt_expr_attributes,
     core_intrinsics,