diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 132b33f0..8d91397a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -180,6 +180,13 @@ jobs:
       - name: "Run Build Tests (doctor)"
         run: php src/globals/test-extensions.php doctor_cmd ${{ matrix.os }} ${{ matrix.php }}
 
+      - name: "ACLOCAL"
+        run: |
+          ls -lah /opt/homebrew/share/aclocal
+          autoconf --version
+          aclocal --print-ac-dir
+          echo $ACLOCAL_PATH
+
       - name: "Prepare UPX for Windows"
         if: ${{ startsWith(matrix.os, 'windows-') }}
         run: |