diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 721a3d6..4e14f2e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -24,6 +24,7 @@ jobs:
         - emacs-version: snapshot
           experimental: true
           os: macos-latest
+          system: x86_64-darwin
         - emacs-version: snapshot
           experimental: true
           os: windows-latest