diff --git a/pySDC/tests/test_sweepers/test_MPI_sweeper.py b/pySDC/tests/test_sweepers/test_MPI_sweeper.py
index 0c009eb946421e5d8b62a6d5e67329b2ebcda255..f2c387b75ffbc1946a2a1d31d399eff41345a522 100644
--- a/pySDC/tests/test_sweepers/test_MPI_sweeper.py
+++ b/pySDC/tests/test_sweepers/test_MPI_sweeper.py
@@ -157,7 +157,7 @@ def test_sweeper(num_nodes, quad_type, residual_type, imex, initGuess, launch=Tr
 
 
 @pytest.mark.cupy
-@pytest.mark.parametrize("num_nodes", [2])
+@pytest.mark.parametrize("num_nodes", [4])
 @pytest.mark.parametrize("quad_type", ['GAUSS', 'RADAU-RIGHT'])
 @pytest.mark.parametrize("residual_type", ['last_abs', 'full_rel'])
 @pytest.mark.parametrize("imex", [False])