diff --git a/.github/workflows/simulation_test.yml b/.github/workflows/simulation_test.yml
index 94b01851..94d5b43d 100644
--- a/.github/workflows/simulation_test.yml
+++ b/.github/workflows/simulation_test.yml
@@ -98,7 +98,7 @@ jobs:
 
     - name: Build h5py with the local hdf5
       run: |
-        MPICC="mpicc -shared" pip install --no-cache-dir --no-binary=mpi4py mpi4py
+        pip install mpi4py
         CC="mpicc" HDF5_MPI="ON" HDF5_INCLUDEDIR=/usr/include/hdf5/mpich HDF5_LIBDIR=/usr/lib/x86_64-linux-gnu/hdf5/mpich \
           pip install --no-cache-dir --no-binary=h5py h5py --no-build-isolation