diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 42d16b99..2c2214ad 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -29,7 +29,7 @@ jobs:
       - uses: dtolnay/rust-toolchain@1.70.0
         if: matrix.os == 'macos-11'
         with:
-          toolchain: "aarch64-apple-darwin, x86_64-apple-darwin"
+          toolchain: aarch64-apple-darwin
           components: rustfmt
 
       - uses: dtolnay/rust-toolchain@1.70.0