diff --git a/libs/vkd3d/resource.c b/libs/vkd3d/resource.c
index 89733ce2..f5cdf4ad 100644
--- a/libs/vkd3d/resource.c
+++ b/libs/vkd3d/resource.c
@@ -1522,6 +1522,8 @@ static HRESULT STDMETHODCALLTYPE d3d12_resource_GetHeapProperties(ID3D12Resource
         {
             memset(heap_properties, 0, sizeof(*heap_properties));
             heap_properties->Type = D3D12_HEAP_TYPE_DEFAULT;
+            heap_properties->CreationNodeMask = 1;
+            heap_properties->VisibleNodeMask = 1;
         }
         if (flags)
             *flags = D3D12_HEAP_FLAG_NONE;
diff --git a/tests/vkd3d_api.c b/tests/vkd3d_api.c
index 135782db..d4fe79a8 100644
--- a/tests/vkd3d_api.c
+++ b/tests/vkd3d_api.c
@@ -907,8 +907,8 @@ static void test_external_resource_map(void)
             "Got unexpected CPU page property %#x.\n", heap_properties.CPUPageProperty);
     ok(heap_properties.MemoryPoolPreference == D3D12_MEMORY_POOL_UNKNOWN,
             "Got unexpected memory pool preference %#x.\n", heap_properties.MemoryPoolPreference);
-    todo ok(!!heap_properties.CreationNodeMask, "Got unexpected node mask %#x.\n", heap_properties.CreationNodeMask);
-    todo ok(!!heap_properties.VisibleNodeMask, "Got unexpected node mask %#x.\n", heap_properties.VisibleNodeMask);
+    ok(!!heap_properties.CreationNodeMask, "Got unexpected node mask %#x.\n", heap_properties.CreationNodeMask);
+    ok(!!heap_properties.VisibleNodeMask, "Got unexpected node mask %#x.\n", heap_properties.VisibleNodeMask);
 
     ID3D12Resource_Release(vk_resource);
     vk_device = vkd3d_get_vk_device(device);