diff --git a/mods/lord/Core/fuel_device/src/fuel_device/Device.lua b/mods/lord/Core/fuel_device/src/fuel_device/Device.lua
index 8c36d0f0b..efd1d73ed 100644
--- a/mods/lord/Core/fuel_device/src/fuel_device/Device.lua
+++ b/mods/lord/Core/fuel_device/src/fuel_device/Device.lua
@@ -89,7 +89,11 @@ end
 --- @public
 --- @return NodeMetaRef
 function Device:get_meta()
-	return self.meta or get_initiated_meta(self.position)
+	if not self.meta then
+		self.meta = get_initiated_meta(self.position)
+	end
+
+	return self.meta
 end
 
 --- Sets Node into active device with new hint.
diff --git a/mods/lord/Core/fuel_device/src/fuel_device/Processor.lua b/mods/lord/Core/fuel_device/src/fuel_device/Processor.lua
index 1eb1ed1a1..1f91b7813 100644
--- a/mods/lord/Core/fuel_device/src/fuel_device/Processor.lua
+++ b/mods/lord/Core/fuel_device/src/fuel_device/Processor.lua
@@ -10,12 +10,12 @@ local S = minetest.get_mod_translator()
 --- @param inv    InvRef
 --- @param meta   NodeMetaRef
 --- @param method string
---- @return boolean, RecipeOutput|nil, RecipeInput|nil, RecipeOutput|nil, RecipeInput|nil
+--- @return boolean, RecipeOutput, RecipeInput, RecipeOutput, RecipeInput
 local function process_possible(inv, meta, method)
 	local result_source, remaining_source = minetest.get_craft_result({
 		method = method,
 		type   = 'cooking',
-		width  = 1,
+		width  = inv:get_size('src'),
 		items  = inv:get_list('src'),
 	})
 	if not result_source or result_source.time == 0 then
@@ -24,8 +24,8 @@ local function process_possible(inv, meta, method)
 
 	local result_fuel, remaining_fuel = minetest.get_craft_result({
 		method = 'fuel',
-		width = 1,
-		items = inv:get_list('fuel')
+		width  = inv:get_size('fuel'),
+		items  = inv:get_list('fuel'),
 	})
 
 	local possible =
diff --git a/mods/lord/Core/fuel_device/src/fuel_device/node.lua b/mods/lord/Core/fuel_device/src/fuel_device/node.lua
index bb6ae997e..01f055889 100644
--- a/mods/lord/Core/fuel_device/src/fuel_device/node.lua
+++ b/mods/lord/Core/fuel_device/src/fuel_device/node.lua
@@ -53,6 +53,7 @@ end
 --- @param size_of           {fuel:number,src:number,dst:number}  sizes of corresponding inventories.
 --- @param DeviceClass       GenericDevice|nil            your own device, if you want something extend/change.
 --- @param ProcessorClass    GenericProcessor|nil         your own processor, if you want something extend/change.
+--- @return GenericDevice, GenericProcessor
 local function register_nodes(device_name, craft_method, nodes_definitions, form, size_of, DeviceClass, ProcessorClass)
 	local node_name = {
 		inactive = nodes_definitions.inactive.node_name:replace('^:', ''),
@@ -90,6 +91,8 @@ local function register_nodes(device_name, craft_method, nodes_definitions, form
 		nodes_definitions.active.node_name,
 		table.overwrite(active_node, nodes_definitions.active.definition)
 	)
+
+	return DeviceClass, ProcessorClass
 end