add missing quotes
diff --git a/.github/workflows/build_wheels.yml b/.github/workflows/build_wheels.yml
index bc43aa0..0893be8 100644
--- a/.github/workflows/build_wheels.yml
+++ b/.github/workflows/build_wheels.yml
@@ -48,7 +48,7 @@
       - name: Build wheels
         run: python -m cibuildwheel --output-dir wheelhouse
         env:
-          CIBW_SKIP: *-win32
+          CIBW_SKIP: "*-win32"
 
       - uses: actions/upload-artifact@v2
         with: