diff --git a/dlls/d2d1/tests/d2d1.c b/dlls/d2d1/tests/d2d1.c
index 2214be69155..f8fc1f5a291 100644
--- a/dlls/d2d1/tests/d2d1.c
+++ b/dlls/d2d1/tests/d2d1.c
@@ -8051,6 +8051,8 @@ START_TEST(d2d1)
     unsigned int argc, i;
     char **argv;
 
+    use_mt = !getenv("WINETEST_NO_MT_D3D");
+
     argc = winetest_get_mainargs(&argv);
     for (i = 2; i < argc; ++i)
     {
diff --git a/dlls/d3d10core/tests/d3d10core.c b/dlls/d3d10core/tests/d3d10core.c
index 00bd16ba0d6..f799922ea28 100644
--- a/dlls/d3d10core/tests/d3d10core.c
+++ b/dlls/d3d10core/tests/d3d10core.c
@@ -17925,6 +17925,8 @@ START_TEST(d3d10core)
     unsigned int argc, i;
     char **argv;
 
+    use_mt = !getenv("WINETEST_NO_MT_D3D");
+
     argc = winetest_get_mainargs(&argv);
     for (i = 2; i < argc; ++i)
     {
diff --git a/dlls/d3d11/tests/d3d11.c b/dlls/d3d11/tests/d3d11.c
index 90bcbae281d..d5445ef8b2d 100644
--- a/dlls/d3d11/tests/d3d11.c
+++ b/dlls/d3d11/tests/d3d11.c
@@ -29191,6 +29191,8 @@ START_TEST(d3d11)
     unsigned int argc, i;
     char **argv;
 
+    use_mt = !getenv("WINETEST_NO_MT_D3D");
+
     argc = winetest_get_mainargs(&argv);
     for (i = 2; i < argc; ++i)
     {
diff --git a/dlls/dxgi/tests/dxgi.c b/dlls/dxgi/tests/dxgi.c
index 91d218f3e8e..79e4bc0c15c 100644
--- a/dlls/dxgi/tests/dxgi.c
+++ b/dlls/dxgi/tests/dxgi.c
@@ -5041,6 +5041,8 @@ START_TEST(dxgi)
     registry_mode.dmSize = sizeof(registry_mode);
     ok(EnumDisplaySettingsW(NULL, ENUM_REGISTRY_SETTINGS, &registry_mode), "Failed to get display mode.\n");
 
+    use_mt = !getenv("WINETEST_NO_MT_D3D");
+
     argc = winetest_get_mainargs(&argv);
     for (i = 2; i < argc; ++i)
     {