diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 9bff51c..8c38007 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -51,7 +51,7 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.py }}
-        architecture: ${{ startsWith('macos-', matrix.os) && 'arm64' || 'x64' }}
+        architecture: ${{ matrix.os == 'macos-latest' && 'arm64' || 'x64' }}
 
     - name: Install
       run: python -m pip install .[mpi,test,ai] pytest-cov
@@ -104,7 +104,7 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.py }}
-        architecture: ${{ startsWith('macos-', matrix.os) && 'arm64' || 'x64' }}
+        architecture: ${{ matrix.os == 'macos-latest' && 'arm64' || 'x64' }}
 
     - name: Install
       run: python -m pip install .[test,ai]