diff --git a/lignumis/prototypes/content/steam-assembling-machine.lua b/lignumis/prototypes/content/steam-assembling-machine.lua
index 208a99a..b548cb4 100644
--- a/lignumis/prototypes/content/steam-assembling-machine.lua
+++ b/lignumis/prototypes/content/steam-assembling-machine.lua
@@ -30,11 +30,12 @@ assembling_machine.crafting_speed = 0.5
 assembling_machine.energy_usage = "25kW"
 assembling_machine.energy_source = {
     type = "fluid",
-    fuel_categories = { "steam" },
+    maximum_temperature = 165,
     effectivity = 1,
     emissions_per_minute = { noise = 50 },
     scale_fluid_usage = true,
     fluid_box = {
+        filter = "steam",
         production_type = "input",
         pipe_picture = machinepipes(),
         pipe_covers = pipecovers(),