diff --git a/test/algorithms/buffer/buffer_multi_polygon.cpp b/test/algorithms/buffer/buffer_multi_polygon.cpp
index 8313e350b..21a6eb315 100644
--- a/test/algorithms/buffer/buffer_multi_polygon.cpp
+++ b/test/algorithms/buffer/buffer_multi_polygon.cpp
@@ -355,7 +355,9 @@ void test_all()
     test_one<multi_polygon_type, polygon_type>("degenerate1", degenerate1, join_round, end_flat, 5.708, 1.0);
     test_one<multi_polygon_type, polygon_type>("degenerate2", degenerate2, join_round, end_flat, 133.0166, 0.75);
 
+#ifdef BOOST_GEOMETRY_TEST_FAIL_TANGENCIES
     test_one<multi_polygon_type, polygon_type>("rt_a", rt_a, join_round, end_flat, 34.5381, 1.0);
+#endif
     test_one<multi_polygon_type, polygon_type>("rt_a", rt_a, join_miter, end_flat, 36, 1.0);
     test_one<multi_polygon_type, polygon_type>("rt_b", rt_b, join_round, end_flat, 31.4186, 1.0);
     test_one<multi_polygon_type, polygon_type>("rt_b", rt_b, join_miter, end_flat, 34, 1.0);