diff --git a/src/lightmapper/vk_lightmap.cpp b/src/lightmapper/vk_lightmap.cpp
index 4e29980..0577eec 100644
--- a/src/lightmapper/vk_lightmap.cpp
+++ b/src/lightmapper/vk_lightmap.cpp
@@ -785,7 +785,7 @@ void VkLightmap::CreateRaytracePipeline()
 	{
 		raytrace.descriptorPool1 = DescriptorPoolBuilder()
 			.AddPoolSize(VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR, 1)
-			.AddPoolSize(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1)
+			.AddPoolSize(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 2)
 			.MaxSets(1)
 			.DebugName("raytrace.descriptorPool1")
 			.Create(fb->GetDevice());