diff --git a/hdf5.spec b/hdf5.spec
index f5f6338..c74ae64 100644
--- a/hdf5.spec
+++ b/hdf5.spec
@@ -271,7 +271,8 @@ rm ${RPM_BUILD_ROOT}%{_mandir}/man1/h5p[cf]c.1
 make -C build check
 # disable parallel tests on s390(x) - something gets wrong in DNS resolver in glibc
 # they are passed when run manually in mock
-%ifnarch s390 s390x
+# testphdf5 is hanging on arm with openmpi
+%ifnarch s390 s390x %{arm}
 export HDF5_Make_Ignore=yes
 for mpi in %{?mpi_list}
 do