diff --git a/tests/test_qbsp.cc b/tests/test_qbsp.cc
index 0041b992..19813ff1 100644
--- a/tests/test_qbsp.cc
+++ b/tests/test_qbsp.cc
@@ -1349,7 +1349,7 @@ TEST_CASE("q1_0125unit_faces" * doctest::test_suite("testmaps_q1") * doctest::ma
     CHECK(2 == bsp.dfaces.size());
 }
 
-TEST_CASE("quake maps" * doctest::test_suite("testmaps_q1") * doctest::skip())
+TEST_CASE("quake maps" * doctest::test_suite("testmaps_q1") * doctest::skip() * doctest::may_fail())
 {
     const std::vector<std::string> quake_maps{"DM1-test.map", "DM2-test.map", "DM3-test.map", "DM4-test.map",
         "DM5-test.map", "DM6-test.map", "DM7-test.map", "E1M1-test.map", "E1M2-test.map", "E1M3-test.map",
diff --git a/tests/test_qbsp_q2.cc b/tests/test_qbsp_q2.cc
index 350f05a2..522532f1 100644
--- a/tests/test_qbsp_q2.cc
+++ b/tests/test_qbsp_q2.cc
@@ -299,7 +299,7 @@ TEST_CASE("nodraw_light" * doctest::test_suite("testmaps_q2"))
     CHECK(texinfo->flags.native == (Q2_SURF_LIGHT | Q2_SURF_NODRAW));
 }
 
-TEST_CASE("base1" * doctest::test_suite("testmaps_q2") * doctest::skip())
+TEST_CASE("base1" * doctest::test_suite("testmaps_q2") * doctest::skip() * doctest::may_fail())
 {
     const auto [bsp, bspx, prt] = LoadTestmapQ2("base1-test.map");