diff --git a/src/client/component/materials.cpp b/src/client/component/materials.cpp
index 287238c0..1b0b17c5 100644
--- a/src/client/component/materials.cpp
+++ b/src/client/component/materials.cpp
@@ -27,6 +27,8 @@ namespace materials
 			std::unordered_map<std::string, std::string> images;
 		};
 
+		char constant_table[0x20] = {};
+
 		utils::concurrency::container<material_data_t> material_data;
 
 		game::GfxImage* setup_image(game::GfxImage* image, const utils::image& raw_image)
@@ -57,6 +59,7 @@ namespace materials
 			std::memcpy(texture_table, white->textureTable, sizeof(game::MaterialTextureDef));
 			std::memcpy(image, white->textureTable->u.image, sizeof(game::GfxImage));
 
+			material->constantTable = &constant_table;
 			material->name = utils::memory::get_allocator()->duplicate_string(name);
 			image->name = material->name;
 
@@ -85,6 +88,7 @@ namespace materials
 					&& !utils::io::read_file(utils::string::va("h1-mod/materials/%s.png", name.data()), &data)
 					&& !utils::io::read_file(utils::string::va("data/materials/%s.png", name.data()), &data))
 				{
+					data_.materials[name] = nullptr;
 					return nullptr;
 				}
 
@@ -124,24 +128,14 @@ namespace materials
 			return result;
 		}
 
-		bool db_material_streaming_fail_stub(game::Material* material)
+		int db_material_streaming_fail_stub(game::Material* material)
 		{
-			const auto found = material_data.access<bool>([material](material_data_t& data_)
+			if (material->constantTable == &constant_table)
 			{
-				if (data_.materials.find(material->name) != data_.materials.end())
-				{
-					return true;
-				}
-
-				return false;
-			});
-
-			if (found)
-			{
-				return false;
+				return 0;
 			}
 
-			return db_material_streaming_fail_hook.invoke<bool>(material);
+			return db_material_streaming_fail_hook.invoke<int>(material);
 		}
 	}
 
diff --git a/src/client/game/structs.hpp b/src/client/game/structs.hpp
index bb7c3aec..40515051 100644
--- a/src/client/game/structs.hpp
+++ b/src/client/game/structs.hpp
@@ -1175,7 +1175,12 @@ namespace game
 		const char* name;
 		char __pad0[0x118];
 		char textureCount;
-		char __pad1[7];
+		char constantCount;
+		char stateBitsCount;
+		char stateFlags;
+		char cameraRegion;
+		char materialType;
+		char assetFlags;
 		MaterialTechniqueSet* techniqueSet;
 		MaterialTextureDef* textureTable;
 		void* constantTable;