diff --git a/example/polyhedra/generator/CMakeLists.txt b/example/polyhedra/generator/CMakeLists.txt
index b0756cc..d650b65 100644
--- a/example/polyhedra/generator/CMakeLists.txt
+++ b/example/polyhedra/generator/CMakeLists.txt
@@ -5,5 +5,5 @@ set(FileName "generator.msp")
 file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/shapes.shp DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
 
 add_test(Example_ExaDEM_${ExampleName} ${CMAKE_BINARY_DIR}/exaDEM ${CMAKE_CURRENT_SOURCE_DIR}/${FileName} --omp_num_threads 1)
-add_test(Example_ExaDEM_${ExampleName}_omp ${CMAKE_BINARY_DIR}/exaDEM ${CMAKE_CURRENT_SOURCE_DIR}/${FileName} --omp_num_threads 4)
-add_test(Example_ExaDEM_${ExampleName}_mpi mpirun -n 4 ${CMAKE_BINARY_DIR}/exaDEM ${CMAKE_CURRENT_SOURCE_DIR}/${FileName} --omp_num_threads 1)
+add_test(Example_ExaDEM_${ExampleName}_omp ${CMAKE_BINARY_DIR}/exaDEM ${CMAKE_CURRENT_SOURCE_DIR}/${FileName} --omp_num_threads 2)
+add_test(Example_ExaDEM_${ExampleName}_mpi mpirun -n 2 ${CMAKE_BINARY_DIR}/exaDEM ${CMAKE_CURRENT_SOURCE_DIR}/${FileName} --omp_num_threads 1)