diff --git a/python-pytest-mpi.changes b/python-pytest-mpi.changes
index 60e1a39..2d7e56d 100644
--- a/python-pytest-mpi.changes
+++ b/python-pytest-mpi.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Nov  8 10:21:48 UTC 2022 - Daniel Garcia <daniel.garcia@suse.com>
+
+- Use pml ob1 to run tests
+
 -------------------------------------------------------------------
 Tue Nov  8 09:45:07 UTC 2022 - Daniel Garcia <daniel.garcia@suse.com>
 
diff --git a/python-pytest-mpi.spec b/python-pytest-mpi.spec
index a25e2f3..e33849f 100644
--- a/python-pytest-mpi.spec
+++ b/python-pytest-mpi.spec
@@ -63,6 +63,7 @@ mpi plugin for pytest to collect information from openmpi-based tests.
 %check
 export PATH=${PATH}:%{_libdir}/mpi/gcc/%{mpiver}/bin
 source %{_libdir}/mpi/gcc/%{mpiver}/bin/mpivars.sh
+export OMPI_MCA_pml=ob1
 %pytest -v -p pytester --runpytest=subprocess
 
 %files %{python_files}