diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index fdee7ae6..6ac265aa 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -74,7 +74,7 @@ jobs:
         if: ${{ matrix.toolchain == 'nightly' }}
         env:
           CARGO_INCREMENTAL: '0'
-          RUSTFLAGS: '-Zprofile -Ccodegen-units=1 -Cllvm-argss=inline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests -Copt-level=1'
+          RUSTFLAGS: '-Zprofile -Ccodegen-units=1 -Cllvm-args=inline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests -Copt-level=1'
           RUSTDOCFLAGS: '-Zprofile -Ccodegen-units=1 -Cllvm-args=inline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests -Copt-level=1'
 
       - name: rust-grcov