diff --git a/.github/workflows/wheel.yml b/.github/workflows/wheel.yml
index 148d748a..f98ecf9d 100644
--- a/.github/workflows/wheel.yml
+++ b/.github/workflows/wheel.yml
@@ -19,7 +19,7 @@ jobs:
 
     - name: Build wheels
       env:
-        CIBW_BEFORE_BUILD: pip install 'setuptools<72.2.0 ; implementation_name == "PyPy"'
+        CIBW_BEFORE_BUILD: python -c 'import sys; print(sys.implementation.name)' && pip install 'setuptools<72.2.0 ; implementation_name == "pypy"'
       run: python -m cibuildwheel --output-dir wheelhouse
     - name: Check build result
       run: ls -lh wheelhouse/