diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index ef7c7a2a0..c7d2bf389 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -33,7 +33,7 @@ jobs:
           brew install open-mpi
           echo "export DYLD_LIBRARY_PATH=/usr/local/lib:$DYLD_LIBRARY_PATH" >> $GITHUB_ENV
           echo "export MPI_LIB_NRN_PATH=/usr/local/lib" >> $GITHUB_ENV
-          brew list
+          ls /opt/homebrew/
           fi;
       - name: Print which mpirun mpiexec
         shell: bash -el {0}