diff --git a/src/Grid/grid_dist_id_unit_test.hpp b/src/Grid/grid_dist_id_unit_test.hpp
index b1d066fde556d3c1d6f1c519b7efa72fa4e4d3d6..e7bff8aefebaaf05180087de3ca5a7769b9bf8a2 100644
--- a/src/Grid/grid_dist_id_unit_test.hpp
+++ b/src/Grid/grid_dist_id_unit_test.hpp
@@ -42,7 +42,7 @@ BOOST_AUTO_TEST_CASE( grid_dist_id_domain_grid_unit_converter_test)
 
 	for (size_t k = 1024 ; k >= 2 ; k--)
 	{
-		std::cout << "Testing: " << k << "\n";
+		BOOST_TEST_CHECKPOINT( "Testing grid k=" << k );
 
 		// grid size
 		size_t sz[2];
@@ -96,8 +96,7 @@ BOOST_AUTO_TEST_CASE( grid_dist_id_iterator_test_use)
 
 	for (long int k = 1024 ; k >= 2 ; k-= (k >= 66)?33:1 )
 	{
-		std::cout << "Testing: " << k << "\n";
-
+		BOOST_TEST_CHECKPOINT( "Testing grid k=" << k );
 		// grid size
 		size_t sz[2];
 		sz[0] = k;