diff --git a/hdf5.spec b/hdf5.spec
index 0d32c86..ed626a0 100644
--- a/hdf5.spec
+++ b/hdf5.spec
@@ -315,18 +315,17 @@ mv %{buildroot}%{_libdir}/libhdf5_java.so %{buildroot}%{_libdir}/%{name}/
 make -C build check
 #export HDF5_Make_Ignore=yes
 export OMPI_MCA_rmaps_base_oversubscribe=1
-# MPI Tests are hanging
-#if 0
-# t_cache_image appears to be hanging, others taking very long on s390x
-#ifnarch s390x
 for mpi in %{?mpi_list}
 do
   module load mpi/$mpi-%{_arch}
+# i686 & s390x mpich - testphdf5: malloc.c:4189: _int_malloc: Assertion `(unsigned long) (size) >= (unsigned long) (nb)' failed.
+%ifarch %{ix86) s390x
+  make -C $mpi check || :
+%else
   make -C $mpi check
+%endif
   module purge
 done
-#endif
-#endif
 
 
 %ldconfig_scriptlets