diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 5a9e241e..66281ee4 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -28,7 +28,8 @@ jobs:
           - x64
           - x86
         exclude:
-          - macos-latest - x86
+          - os: macos-latest
+            arch: x86
     steps:
       - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v2